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Finding the Fourth Proportional to 913,159.76, 1,260,092.04 and 510,674

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Solution

The fourth proportional to 913,159.76, 1,260,092.04 and 510,674 is: 704,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,159.76 : 1,260,092.04 = 510,674 : x
  2. Step 2: Convert to fraction form
    913,159.76/1,260,092.04 = 510,674/x
  3. Step 3: Cross multiply
    913,159.76x = 1,260,092.04 × 510,674
  4. Step 4: Simplify right side
    913,159.76x = 643,496,242,434.96
  5. Step 5: Solve for x
    x = 643,496,242,434.96/913,159.76
  6. Step 6: Final answer
    x = 704,691.85

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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.