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Finding the Fourth Proportional to 532,860.90, 799,291.35 and 489,315.30

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Solution

The fourth proportional to 532,860.90, 799,291.35 and 489,315.30 is: 733,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,860.90 : 799,291.35 = 489,315.30 : x
  2. Step 2: Convert to fraction form
    532,860.90/799,291.35 = 489,315.30/x
  3. Step 3: Cross multiply
    532,860.90x = 799,291.35 × 489,315.30
  4. Step 4: Simplify right side
    532,860.90x = 391,105,486,712.66
  5. Step 5: Solve for x
    x = 391,105,486,712.66/532,860.90
  6. Step 6: Final answer
    x = 733,972.95

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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.