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Finding the Fourth Proportional to 445,549.76, 614,801.84 and 254,575.52

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Solution

The fourth proportional to 445,549.76, 614,801.84 and 254,575.52 is: 351,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,549.76 : 614,801.84 = 254,575.52 : x
  2. Step 2: Convert to fraction form
    445,549.76/614,801.84 = 254,575.52/x
  3. Step 3: Cross multiply
    445,549.76x = 614,801.84 × 254,575.52
  4. Step 4: Simplify right side
    445,549.76x = 156,513,498,114.96
  5. Step 5: Solve for x
    x = 156,513,498,114.96/445,549.76
  6. Step 6: Final answer
    x = 351,281.75

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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.