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Finding the Fourth Proportional to 585,502.47, 807,982.89 and 330,848.19

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Solution

The fourth proportional to 585,502.47, 807,982.89 and 330,848.19 is: 456,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,502.47 : 807,982.89 = 330,848.19 : x
  2. Step 2: Convert to fraction form
    585,502.47/807,982.89 = 330,848.19/x
  3. Step 3: Cross multiply
    585,502.47x = 807,982.89 × 330,848.19
  4. Step 4: Simplify right side
    585,502.47x = 267,319,676,707.47
  5. Step 5: Solve for x
    x = 267,319,676,707.47/585,502.47
  6. Step 6: Final answer
    x = 456,564.56

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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.