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Finding the Fourth Proportional to 508,337.53, 761,974.27 and 171,261.70

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Solution

The fourth proportional to 508,337.53, 761,974.27 and 171,261.70 is: 256,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,337.53 : 761,974.27 = 171,261.70 : x
  2. Step 2: Convert to fraction form
    508,337.53/761,974.27 = 171,261.70/x
  3. Step 3: Cross multiply
    508,337.53x = 761,974.27 × 171,261.70
  4. Step 4: Simplify right side
    508,337.53x = 130,497,008,836.46
  5. Step 5: Solve for x
    x = 130,497,008,836.46/508,337.53
  6. Step 6: Final answer
    x = 256,713.31

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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.