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Finding the Fourth Proportional to 567,570.78, 851,331.56 and 141,097.68

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Solution

The fourth proportional to 567,570.78, 851,331.56 and 141,097.68 is: 211,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,570.78 : 851,331.56 = 141,097.68 : x
  2. Step 2: Convert to fraction form
    567,570.78/851,331.56 = 141,097.68/x
  3. Step 3: Cross multiply
    567,570.78x = 851,331.56 × 141,097.68
  4. Step 4: Simplify right side
    567,570.78x = 120,120,905,545.71
  5. Step 5: Solve for x
    x = 120,120,905,545.71/567,570.78
  6. Step 6: Final answer
    x = 211,640.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.