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Finding the Fourth Proportional to 508,328.36, 762,271.05 and 171,306.17

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Solution

The fourth proportional to 508,328.36, 762,271.05 and 171,306.17 is: 256,884.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,328.36 : 762,271.05 = 171,306.17 : x
  2. Step 2: Convert to fraction form
    508,328.36/762,271.05 = 171,306.17/x
  3. Step 3: Cross multiply
    508,328.36x = 762,271.05 × 171,306.17
  4. Step 4: Simplify right side
    508,328.36x = 130,581,734,077.38
  5. Step 5: Solve for x
    x = 130,581,734,077.38/508,328.36
  6. Step 6: Final answer
    x = 256,884.61

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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.