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Finding the Fourth Proportional to 374,270.20, 561,410.10 and 124,952.20

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Solution

The fourth proportional to 374,270.20, 561,410.10 and 124,952.20 is: 187,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,270.20 : 561,410.10 = 124,952.20 : x
  2. Step 2: Convert to fraction form
    374,270.20/561,410.10 = 124,952.20/x
  3. Step 3: Cross multiply
    374,270.20x = 561,410.10 × 124,952.20
  4. Step 4: Simplify right side
    374,270.20x = 70,149,427,097.22
  5. Step 5: Solve for x
    x = 70,149,427,097.22/374,270.20
  6. Step 6: Final answer
    x = 187,429.90

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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.