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Finding the Fourth Proportional to 336,590.91, 504,599.38 and 146,909.46

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Solution

The fourth proportional to 336,590.91, 504,599.38 and 146,909.46 is: 220,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,590.91 : 504,599.38 = 146,909.46 : x
  2. Step 2: Convert to fraction form
    336,590.91/504,599.38 = 146,909.46/x
  3. Step 3: Cross multiply
    336,590.91x = 504,599.38 × 146,909.46
  4. Step 4: Simplify right side
    336,590.91x = 74,130,422,432.13
  5. Step 5: Solve for x
    x = 74,130,422,432.13/336,590.91
  6. Step 6: Final answer
    x = 220,238.93

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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.