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Finding the Fourth Proportional to 585,474.15, 807,508.54 and 503,941.17

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Solution

The fourth proportional to 585,474.15, 807,508.54 and 503,941.17 is: 695,055.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,474.15 : 807,508.54 = 503,941.17 : x
  2. Step 2: Convert to fraction form
    585,474.15/807,508.54 = 503,941.17/x
  3. Step 3: Cross multiply
    585,474.15x = 807,508.54 × 503,941.17
  4. Step 4: Simplify right side
    585,474.15x = 406,936,798,432.59
  5. Step 5: Solve for x
    x = 406,936,798,432.59/585,474.15
  6. Step 6: Final answer
    x = 695,055.11

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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.