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Finding the Fourth Proportional to 415,088.11, 572,864.65 and 254,050.39

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Solution

The fourth proportional to 415,088.11, 572,864.65 and 254,050.39 is: 350,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,088.11 : 572,864.65 = 254,050.39 : x
  2. Step 2: Convert to fraction form
    415,088.11/572,864.65 = 254,050.39/x
  3. Step 3: Cross multiply
    415,088.11x = 572,864.65 × 254,050.39
  4. Step 4: Simplify right side
    415,088.11x = 145,536,489,259.70
  5. Step 5: Solve for x
    x = 145,536,489,259.70/415,088.11
  6. Step 6: Final answer
    x = 350,615.89

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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.