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Finding the Fourth Proportional to 585,473.90, 807,508.20 and 503,940.92

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Solution

The fourth proportional to 585,473.90, 807,508.20 and 503,940.92 is: 695,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,473.90 : 807,508.20 = 503,940.92 : x
  2. Step 2: Convert to fraction form
    585,473.90/807,508.20 = 503,940.92/x
  3. Step 3: Cross multiply
    585,473.90x = 807,508.20 × 503,940.92
  4. Step 4: Simplify right side
    585,473.90x = 406,936,421,178.00
  5. Step 5: Solve for x
    x = 406,936,421,178.00/585,473.90
  6. Step 6: Final answer
    x = 695,054.77

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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.