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Finding the Fourth Proportional to 487,670.58, 731,395.13 and 234,822.11

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Solution

The fourth proportional to 487,670.58, 731,395.13 and 234,822.11 is: 352,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,670.58 : 731,395.13 = 234,822.11 : x
  2. Step 2: Convert to fraction form
    487,670.58/731,395.13 = 234,822.11/x
  3. Step 3: Cross multiply
    487,670.58x = 731,395.13 × 234,822.11
  4. Step 4: Simplify right side
    487,670.58x = 171,747,742,839.24
  5. Step 5: Solve for x
    x = 171,747,742,839.24/487,670.58
  6. Step 6: Final answer
    x = 352,179.83

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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.