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Finding the Fourth Proportional to 542,726.26, 814,089.39 and 371,779.41

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Solution

The fourth proportional to 542,726.26, 814,089.39 and 371,779.41 is: 557,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,726.26 : 814,089.39 = 371,779.41 : x
  2. Step 2: Convert to fraction form
    542,726.26/814,089.39 = 371,779.41/x
  3. Step 3: Cross multiply
    542,726.26x = 814,089.39 × 371,779.41
  4. Step 4: Simplify right side
    542,726.26x = 302,661,671,388.72
  5. Step 5: Solve for x
    x = 302,661,671,388.72/542,726.26
  6. Step 6: Final answer
    x = 557,669.11

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Double scale
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Similar ratio
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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.