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Finding the Fourth Proportional to 616,892.96, 851,265.48 and 375,141.92

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Solution

The fourth proportional to 616,892.96, 851,265.48 and 375,141.92 is: 517,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,892.96 : 851,265.48 = 375,141.92 : x
  2. Step 2: Convert to fraction form
    616,892.96/851,265.48 = 375,141.92/x
  3. Step 3: Cross multiply
    616,892.96x = 851,265.48 × 375,141.92
  4. Step 4: Simplify right side
    616,892.96x = 319,345,366,596.92
  5. Step 5: Solve for x
    x = 319,345,366,596.92/616,892.96
  6. Step 6: Final answer
    x = 517,667.39

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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.