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Finding the Fourth Proportional to 531,544.32, 732,935.22 and 434,446.80

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Solution

The fourth proportional to 531,544.32, 732,935.22 and 434,446.80 is: 599,049.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,544.32 : 732,935.22 = 434,446.80 : x
  2. Step 2: Convert to fraction form
    531,544.32/732,935.22 = 434,446.80/x
  3. Step 3: Cross multiply
    531,544.32x = 732,935.22 × 434,446.80
  4. Step 4: Simplify right side
    531,544.32x = 318,421,360,936.30
  5. Step 5: Solve for x
    x = 318,421,360,936.30/531,544.32
  6. Step 6: Final answer
    x = 599,049.50

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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.