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Finding the Fourth Proportional to 418,712.32, 577,928.88 and 237,532.24

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Solution

The fourth proportional to 418,712.32, 577,928.88 and 237,532.24 is: 327,854.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,712.32 : 577,928.88 = 237,532.24 : x
  2. Step 2: Convert to fraction form
    418,712.32/577,928.88 = 237,532.24/x
  3. Step 3: Cross multiply
    418,712.32x = 577,928.88 × 237,532.24
  4. Step 4: Simplify right side
    418,712.32x = 137,276,741,427.09
  5. Step 5: Solve for x
    x = 137,276,741,427.09/418,712.32
  6. Step 6: Final answer
    x = 327,854.56

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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.