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Finding the Fourth Proportional to 529,614.62, 730,974.30 and 314,713.12

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Solution

The fourth proportional to 529,614.62, 730,974.30 and 314,713.12 is: 434,367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,614.62 : 730,974.30 = 314,713.12 : x
  2. Step 2: Convert to fraction form
    529,614.62/730,974.30 = 314,713.12/x
  3. Step 3: Cross multiply
    529,614.62x = 730,974.30 × 314,713.12
  4. Step 4: Simplify right side
    529,614.62x = 230,047,202,592.82
  5. Step 5: Solve for x
    x = 230,047,202,592.82/529,614.62
  6. Step 6: Final answer
    x = 434,367.17

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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.