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Finding the Fourth Proportional to 385,046.88, 576,444.36 and 224,632.32

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Solution

The fourth proportional to 385,046.88, 576,444.36 and 224,632.32 is: 336,291.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,046.88 : 576,444.36 = 224,632.32 : x
  2. Step 2: Convert to fraction form
    385,046.88/576,444.36 = 224,632.32/x
  3. Step 3: Cross multiply
    385,046.88x = 576,444.36 × 224,632.32
  4. Step 4: Simplify right side
    385,046.88x = 129,488,033,937.72
  5. Step 5: Solve for x
    x = 129,488,033,937.72/385,046.88
  6. Step 6: Final answer
    x = 336,291.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.