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Finding the Fourth Proportional to 585,147.66, 807,497.45 and 323,501.85

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Solution

The fourth proportional to 585,147.66, 807,497.45 and 323,501.85 is: 446,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,147.66 : 807,497.45 = 323,501.85 : x
  2. Step 2: Convert to fraction form
    585,147.66/807,497.45 = 323,501.85/x
  3. Step 3: Cross multiply
    585,147.66x = 807,497.45 × 323,501.85
  4. Step 4: Simplify right side
    585,147.66x = 261,226,918,945.28
  5. Step 5: Solve for x
    x = 261,226,918,945.28/585,147.66
  6. Step 6: Final answer
    x = 446,429.06

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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.