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Finding the Fourth Proportional to 376,149.68, 564,444.88 and 139,655.60

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Solution

The fourth proportional to 376,149.68, 564,444.88 and 139,655.60 is: 209,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,149.68 : 564,444.88 = 139,655.60 : x
  2. Step 2: Convert to fraction form
    376,149.68/564,444.88 = 139,655.60/x
  3. Step 3: Cross multiply
    376,149.68x = 564,444.88 × 139,655.60
  4. Step 4: Simplify right side
    376,149.68x = 78,827,888,383.33
  5. Step 5: Solve for x
    x = 78,827,888,383.33/376,149.68
  6. Step 6: Final answer
    x = 209,565.21

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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.