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Finding the Fourth Proportional to 369,207.46, 553,803.24 and 102,960.88

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Solution

The fourth proportional to 369,207.46, 553,803.24 and 102,960.88 is: 154,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,207.46 : 553,803.24 = 102,960.88 : x
  2. Step 2: Convert to fraction form
    369,207.46/553,803.24 = 102,960.88/x
  3. Step 3: Cross multiply
    369,207.46x = 553,803.24 × 102,960.88
  4. Step 4: Simplify right side
    369,207.46x = 57,020,068,937.25
  5. Step 5: Solve for x
    x = 57,020,068,937.25/369,207.46
  6. Step 6: Final answer
    x = 154,439.10

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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.