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Finding the Fourth Proportional to 347,726.26, 521,701.26 and 158,254.30

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Solution

The fourth proportional to 347,726.26, 521,701.26 and 158,254.30 is: 237,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,726.26 : 521,701.26 = 158,254.30 : x
  2. Step 2: Convert to fraction form
    347,726.26/521,701.26 = 158,254.30/x
  3. Step 3: Cross multiply
    347,726.26x = 521,701.26 × 158,254.30
  4. Step 4: Simplify right side
    347,726.26x = 82,561,467,710.42
  5. Step 5: Solve for x
    x = 82,561,467,710.42/347,726.26
  6. Step 6: Final answer
    x = 237,432.36

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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.