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Finding the Fourth Proportional to 732,549.60, 1,098,678.60 and 353,469.60

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Solution

The fourth proportional to 732,549.60, 1,098,678.60 and 353,469.60 is: 530,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,549.60 : 1,098,678.60 = 353,469.60 : x
  2. Step 2: Convert to fraction form
    732,549.60/1,098,678.60 = 353,469.60/x
  3. Step 3: Cross multiply
    732,549.60x = 1,098,678.60 × 353,469.60
  4. Step 4: Simplify right side
    732,549.60x = 388,349,485,270.56
  5. Step 5: Solve for x
    x = 388,349,485,270.56/732,549.60
  6. Step 6: Final answer
    x = 530,134.05

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1.5x scale

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.