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Finding the Fourth Proportional to 400,057.40, 600,086.10 and 242,593.40

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Solution

The fourth proportional to 400,057.40, 600,086.10 and 242,593.40 is: 363,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,057.40 : 600,086.10 = 242,593.40 : x
  2. Step 2: Convert to fraction form
    400,057.40/600,086.10 = 242,593.40/x
  3. Step 3: Cross multiply
    400,057.40x = 600,086.10 × 242,593.40
  4. Step 4: Simplify right side
    400,057.40x = 145,576,927,291.74
  5. Step 5: Solve for x
    x = 145,576,927,291.74/400,057.40
  6. Step 6: Final answer
    x = 363,890.10

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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.