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Finding the Fourth Proportional to 336,590.92, 464,359.88 and 215,710

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Solution

The fourth proportional to 336,590.92, 464,359.88 and 215,710 is: 297,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,590.92 : 464,359.88 = 215,710 : x
  2. Step 2: Convert to fraction form
    336,590.92/464,359.88 = 215,710/x
  3. Step 3: Cross multiply
    336,590.92x = 464,359.88 × 215,710
  4. Step 4: Simplify right side
    336,590.92x = 100,167,069,714.80
  5. Step 5: Solve for x
    x = 100,167,069,714.80/336,590.92
  6. Step 6: Final answer
    x = 297,592.91

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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.