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Finding the Fourth Proportional to 418,701.92, 577,678.30 and 237,399.62

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Solution

The fourth proportional to 418,701.92, 577,678.30 and 237,399.62 is: 327,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,701.92 : 577,678.30 = 237,399.62 : x
  2. Step 2: Convert to fraction form
    418,701.92/577,678.30 = 237,399.62/x
  3. Step 3: Cross multiply
    418,701.92x = 577,678.30 × 237,399.62
  4. Step 4: Simplify right side
    418,701.92x = 137,140,605,420.36
  5. Step 5: Solve for x
    x = 137,140,605,420.36/418,701.92
  6. Step 6: Final answer
    x = 327,537.56

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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.