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Finding the Fourth Proportional to 445,097.16, 614,291.22 and 254,066.76

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Solution

The fourth proportional to 445,097.16, 614,291.22 and 254,066.76 is: 350,644.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,097.16 : 614,291.22 = 254,066.76 : x
  2. Step 2: Convert to fraction form
    445,097.16/614,291.22 = 254,066.76/x
  3. Step 3: Cross multiply
    445,097.16x = 614,291.22 × 254,066.76
  4. Step 4: Simplify right side
    445,097.16x = 156,070,979,961.85
  5. Step 5: Solve for x
    x = 156,070,979,961.85/445,097.16
  6. Step 6: Final answer
    x = 350,644.74

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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.