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Finding the Fourth Proportional to 418,496.29, 577,570.05 and 237,188.76

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Solution

The fourth proportional to 418,496.29, 577,570.05 and 237,188.76 is: 327,346.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,496.29 : 577,570.05 = 237,188.76 : x
  2. Step 2: Convert to fraction form
    418,496.29/577,570.05 = 237,188.76/x
  3. Step 3: Cross multiply
    418,496.29x = 577,570.05 × 237,188.76
  4. Step 4: Simplify right side
    418,496.29x = 136,993,123,972.64
  5. Step 5: Solve for x
    x = 136,993,123,972.64/418,496.29
  6. Step 6: Final answer
    x = 327,346.09

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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.