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Finding the Fourth Proportional to 474,802.80, 712,031.40 and 238,066.80

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Solution

The fourth proportional to 474,802.80, 712,031.40 and 238,066.80 is: 357,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,802.80 : 712,031.40 = 238,066.80 : x
  2. Step 2: Convert to fraction form
    474,802.80/712,031.40 = 238,066.80/x
  3. Step 3: Cross multiply
    474,802.80x = 712,031.40 × 238,066.80
  4. Step 4: Simplify right side
    474,802.80x = 169,511,036,897.52
  5. Step 5: Solve for x
    x = 169,511,036,897.52/474,802.80
  6. Step 6: Final answer
    x = 357,013.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.