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Finding the Fourth Proportional to 529,469.13, 730,729.58 and 314,609.34

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Solution

The fourth proportional to 529,469.13, 730,729.58 and 314,609.34 is: 434,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,469.13 : 730,729.58 = 314,609.34 : x
  2. Step 2: Convert to fraction form
    529,469.13/730,729.58 = 314,609.34/x
  3. Step 3: Cross multiply
    529,469.13x = 730,729.58 × 314,609.34
  4. Step 4: Simplify right side
    529,469.13x = 229,894,349,309.23
  5. Step 5: Solve for x
    x = 229,894,349,309.23/529,469.13
  6. Step 6: Final answer
    x = 434,197.83

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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.