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Finding the Fourth Proportional to 568,232.67, 784,165.38 and 310,111.59

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Solution

The fourth proportional to 568,232.67, 784,165.38 and 310,111.59 is: 427,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,232.67 : 784,165.38 = 310,111.59 : x
  2. Step 2: Convert to fraction form
    568,232.67/784,165.38 = 310,111.59/x
  3. Step 3: Cross multiply
    568,232.67x = 784,165.38 × 310,111.59
  4. Step 4: Simplify right side
    568,232.67x = 243,178,772,814.75
  5. Step 5: Solve for x
    x = 243,178,772,814.75/568,232.67
  6. Step 6: Final answer
    x = 427,956.34

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.