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Finding the Fourth Proportional to 461,430.72, 636,754.72 and 260,245.44

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Solution

The fourth proportional to 461,430.72, 636,754.72 and 260,245.44 is: 359,127.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,430.72 : 636,754.72 = 260,245.44 : x
  2. Step 2: Convert to fraction form
    461,430.72/636,754.72 = 260,245.44/x
  3. Step 3: Cross multiply
    461,430.72x = 636,754.72 × 260,245.44
  4. Step 4: Simplify right side
    461,430.72x = 165,712,512,278.48
  5. Step 5: Solve for x
    x = 165,712,512,278.48/461,430.72
  6. Step 6: Final answer
    x = 359,127.61

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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.