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Finding the Fourth Proportional to 323,002.08, 484,465.05 and 86,363.01

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Solution

The fourth proportional to 323,002.08, 484,465.05 and 86,363.01 is: 129,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,002.08 : 484,465.05 = 86,363.01 : x
  2. Step 2: Convert to fraction form
    323,002.08/484,465.05 = 86,363.01/x
  3. Step 3: Cross multiply
    323,002.08x = 484,465.05 × 86,363.01
  4. Step 4: Simplify right side
    323,002.08x = 41,839,859,957.80
  5. Step 5: Solve for x
    x = 41,839,859,957.80/323,002.08
  6. Step 6: Final answer
    x = 129,534.34

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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.