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Finding the Fourth Proportional to 489,246.60, 733,869.90 and 236,648.10

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Solution

The fourth proportional to 489,246.60, 733,869.90 and 236,648.10 is: 354,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,246.60 : 733,869.90 = 236,648.10 : x
  2. Step 2: Convert to fraction form
    489,246.60/733,869.90 = 236,648.10/x
  3. Step 3: Cross multiply
    489,246.60x = 733,869.90 × 236,648.10
  4. Step 4: Simplify right side
    489,246.60x = 173,668,917,482.19
  5. Step 5: Solve for x
    x = 173,668,917,482.19/489,246.60
  6. Step 6: Final answer
    x = 354,972.15

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Similar ratio
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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.