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Finding the Fourth Proportional to 574,353.09, 792,681.58 and 329,433.39

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Solution

The fourth proportional to 574,353.09, 792,681.58 and 329,433.39 is: 454,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,353.09 : 792,681.58 = 329,433.39 : x
  2. Step 2: Convert to fraction form
    574,353.09/792,681.58 = 329,433.39/x
  3. Step 3: Cross multiply
    574,353.09x = 792,681.58 × 329,433.39
  4. Step 4: Simplify right side
    574,353.09x = 261,135,780,089.96
  5. Step 5: Solve for x
    x = 261,135,780,089.96/574,353.09
  6. Step 6: Final answer
    x = 454,660.70

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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.