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Finding the Fourth Proportional to 418,801.80, 577,816.12 and 237,499.50

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Solution

The fourth proportional to 418,801.80, 577,816.12 and 237,499.50 is: 327,675.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,801.80 : 577,816.12 = 237,499.50 : x
  2. Step 2: Convert to fraction form
    418,801.80/577,816.12 = 237,499.50/x
  3. Step 3: Cross multiply
    418,801.80x = 577,816.12 × 237,499.50
  4. Step 4: Simplify right side
    418,801.80x = 137,231,039,591.94
  5. Step 5: Solve for x
    x = 137,231,039,591.94/418,801.80
  6. Step 6: Final answer
    x = 327,675.38

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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.