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Finding the Fourth Proportional to 445,562.76, 614,909.13 and 254,572.05

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Solution

The fourth proportional to 445,562.76, 614,909.13 and 254,572.05 is: 351,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,562.76 : 614,909.13 = 254,572.05 : x
  2. Step 2: Convert to fraction form
    445,562.76/614,909.13 = 254,572.05/x
  3. Step 3: Cross multiply
    445,562.76x = 614,909.13 × 254,572.05
  4. Step 4: Simplify right side
    445,562.76x = 156,538,677,787.82
  5. Step 5: Solve for x
    x = 156,538,677,787.82/445,562.76
  6. Step 6: Final answer
    x = 351,328.01

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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.