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Finding the Fourth Proportional to 533,150.74, 735,748.03 and 291,434.32

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Solution

The fourth proportional to 533,150.74, 735,748.03 and 291,434.32 is: 402,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,150.74 : 735,748.03 = 291,434.32 : x
  2. Step 2: Convert to fraction form
    533,150.74/735,748.03 = 291,434.32/x
  3. Step 3: Cross multiply
    533,150.74x = 735,748.03 × 291,434.32
  4. Step 4: Simplify right side
    533,150.74x = 214,422,226,814.39
  5. Step 5: Solve for x
    x = 214,422,226,814.39/533,150.74
  6. Step 6: Final answer
    x = 402,179.37

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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.