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Finding the Fourth Proportional to 488,232.71, 732,082.11 and 387,676.70

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Solution

The fourth proportional to 488,232.71, 732,082.11 and 387,676.70 is: 581,303.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,232.71 : 732,082.11 = 387,676.70 : x
  2. Step 2: Convert to fraction form
    488,232.71/732,082.11 = 387,676.70/x
  3. Step 3: Cross multiply
    488,232.71x = 732,082.11 × 387,676.70
  4. Step 4: Simplify right side
    488,232.71x = 283,811,176,533.84
  5. Step 5: Solve for x
    x = 283,811,176,533.84/488,232.71
  6. Step 6: Final answer
    x = 581,303.08

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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.