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Finding the Fourth Proportional to 541,590.75, 747,420.91 and 326,726.21

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Solution

The fourth proportional to 541,590.75, 747,420.91 and 326,726.21 is: 450,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,590.75 : 747,420.91 = 326,726.21 : x
  2. Step 2: Convert to fraction form
    541,590.75/747,420.91 = 326,726.21/x
  3. Step 3: Cross multiply
    541,590.75x = 747,420.91 × 326,726.21
  4. Step 4: Simplify right side
    541,590.75x = 244,201,997,461.95
  5. Step 5: Solve for x
    x = 244,201,997,461.95/541,590.75
  6. Step 6: Final answer
    x = 450,897.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.