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Finding the Fourth Proportional to 418,592.28, 577,619.82 and 232,328.64

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Solution

The fourth proportional to 418,592.28, 577,619.82 and 232,328.64 is: 320,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,592.28 : 577,619.82 = 232,328.64 : x
  2. Step 2: Convert to fraction form
    418,592.28/577,619.82 = 232,328.64/x
  3. Step 3: Cross multiply
    418,592.28x = 577,619.82 × 232,328.64
  4. Step 4: Simplify right side
    418,592.28x = 134,197,627,217.65
  5. Step 5: Solve for x
    x = 134,197,627,217.65/418,592.28
  6. Step 6: Final answer
    x = 320,592.70

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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.