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Finding the Fourth Proportional to 418,624.74, 577,684.56 and 237,348.87

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Solution

The fourth proportional to 418,624.74, 577,684.56 and 237,348.87 is: 327,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,624.74 : 577,684.56 = 237,348.87 : x
  2. Step 2: Convert to fraction form
    418,624.74/577,684.56 = 237,348.87/x
  3. Step 3: Cross multiply
    418,624.74x = 577,684.56 × 237,348.87
  4. Step 4: Simplify right side
    418,624.74x = 137,112,777,532.45
  5. Step 5: Solve for x
    x = 137,112,777,532.45/418,624.74
  6. Step 6: Final answer
    x = 327,531.47

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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.