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Finding the Fourth Proportional to 426,663.48, 588,757.50 and 245,327.16

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Solution

The fourth proportional to 426,663.48, 588,757.50 and 245,327.16 is: 338,529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,663.48 : 588,757.50 = 245,327.16 : x
  2. Step 2: Convert to fraction form
    426,663.48/588,757.50 = 245,327.16/x
  3. Step 3: Cross multiply
    426,663.48x = 588,757.50 × 245,327.16
  4. Step 4: Simplify right side
    426,663.48x = 144,438,205,403.70
  5. Step 5: Solve for x
    x = 144,438,205,403.70/426,663.48
  6. Step 6: Final answer
    x = 338,529.57

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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.