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Finding the Fourth Proportional to 508,031.28, 762,396.84 and 175,607.28

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Solution

The fourth proportional to 508,031.28, 762,396.84 and 175,607.28 is: 263,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,031.28 : 762,396.84 = 175,607.28 : x
  2. Step 2: Convert to fraction form
    508,031.28/762,396.84 = 175,607.28/x
  3. Step 3: Cross multiply
    508,031.28x = 762,396.84 × 175,607.28
  4. Step 4: Simplify right side
    508,031.28x = 133,882,435,353.00
  5. Step 5: Solve for x
    x = 133,882,435,353.00/508,031.28
  6. Step 6: Final answer
    x = 263,531.87

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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.