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Finding the Fourth Proportional to 467,590.88, 645,318.96 and 266,348

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Solution

The fourth proportional to 467,590.88, 645,318.96 and 266,348 is: 367,585.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,590.88 : 645,318.96 = 266,348 : x
  2. Step 2: Convert to fraction form
    467,590.88/645,318.96 = 266,348/x
  3. Step 3: Cross multiply
    467,590.88x = 645,318.96 × 266,348
  4. Step 4: Simplify right side
    467,590.88x = 171,879,414,358.08
  5. Step 5: Solve for x
    x = 171,879,414,358.08/467,590.88
  6. Step 6: Final answer
    x = 367,585.04

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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.