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Finding the Fourth Proportional to 654,149.20, 902,714.88 and 367,726.72

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Solution

The fourth proportional to 654,149.20, 902,714.88 and 367,726.72 is: 507,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,149.20 : 902,714.88 = 367,726.72 : x
  2. Step 2: Convert to fraction form
    654,149.20/902,714.88 = 367,726.72/x
  3. Step 3: Cross multiply
    654,149.20x = 902,714.88 × 367,726.72
  4. Step 4: Simplify right side
    654,149.20x = 331,952,381,917.59
  5. Step 5: Solve for x
    x = 331,952,381,917.59/654,149.20
  6. Step 6: Final answer
    x = 507,456.68

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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.