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Finding the Fourth Proportional to 531,176.60, 732,843.60 and 324,369.56

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Solution

The fourth proportional to 531,176.60, 732,843.60 and 324,369.56 is: 447,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,176.60 : 732,843.60 = 324,369.56 : x
  2. Step 2: Convert to fraction form
    531,176.60/732,843.60 = 324,369.56/x
  3. Step 3: Cross multiply
    531,176.60x = 732,843.60 × 324,369.56
  4. Step 4: Simplify right side
    531,176.60x = 237,712,156,080.82
  5. Step 5: Solve for x
    x = 237,712,156,080.82/531,176.60
  6. Step 6: Final answer
    x = 447,520.01

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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.