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Finding the Fourth Proportional to 489,061.60, 733,811.10 and 236,244.40

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Solution

The fourth proportional to 489,061.60, 733,811.10 and 236,244.40 is: 354,472.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,061.60 : 733,811.10 = 236,244.40 : x
  2. Step 2: Convert to fraction form
    489,061.60/733,811.10 = 236,244.40/x
  3. Step 3: Cross multiply
    489,061.60x = 733,811.10 × 236,244.40
  4. Step 4: Simplify right side
    489,061.60x = 173,358,763,032.84
  5. Step 5: Solve for x
    x = 173,358,763,032.84/489,061.60
  6. Step 6: Final answer
    x = 354,472.24

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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.