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Finding the Fourth Proportional to 574,443.49, 792,706.45 and 329,252.49

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Solution

The fourth proportional to 574,443.49, 792,706.45 and 329,252.49 is: 454,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,443.49 : 792,706.45 = 329,252.49 : x
  2. Step 2: Convert to fraction form
    574,443.49/792,706.45 = 329,252.49/x
  3. Step 3: Cross multiply
    574,443.49x = 792,706.45 × 329,252.49
  4. Step 4: Simplify right side
    574,443.49x = 261,000,572,501.56
  5. Step 5: Solve for x
    x = 261,000,572,501.56/574,443.49
  6. Step 6: Final answer
    x = 454,353.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.