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Finding the Fourth Proportional to 485,024.80, 727,537.20 and 366,926.80

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Solution

The fourth proportional to 485,024.80, 727,537.20 and 366,926.80 is: 550,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,024.80 : 727,537.20 = 366,926.80 : x
  2. Step 2: Convert to fraction form
    485,024.80/727,537.20 = 366,926.80/x
  3. Step 3: Cross multiply
    485,024.80x = 727,537.20 × 366,926.80
  4. Step 4: Simplify right side
    485,024.80x = 266,952,896,676.96
  5. Step 5: Solve for x
    x = 266,952,896,676.96/485,024.80
  6. Step 6: Final answer
    x = 550,390.20

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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.