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Finding the Fourth Proportional to 323,427.48, 484,937.64 and 98,713.14

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Solution

The fourth proportional to 323,427.48, 484,937.64 and 98,713.14 is: 148,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,427.48 : 484,937.64 = 98,713.14 : x
  2. Step 2: Convert to fraction form
    323,427.48/484,937.64 = 98,713.14/x
  3. Step 3: Cross multiply
    323,427.48x = 484,937.64 × 98,713.14
  4. Step 4: Simplify right side
    323,427.48x = 47,869,717,148.59
  5. Step 5: Solve for x
    x = 47,869,717,148.59/323,427.48
  6. Step 6: Final answer
    x = 148,007.58

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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.