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Finding the Fourth Proportional to 482,873.20, 724,309.80 and 234,041.20

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Solution

The fourth proportional to 482,873.20, 724,309.80 and 234,041.20 is: 351,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,873.20 : 724,309.80 = 234,041.20 : x
  2. Step 2: Convert to fraction form
    482,873.20/724,309.80 = 234,041.20/x
  3. Step 3: Cross multiply
    482,873.20x = 724,309.80 × 234,041.20
  4. Step 4: Simplify right side
    482,873.20x = 169,518,334,763.76
  5. Step 5: Solve for x
    x = 169,518,334,763.76/482,873.20
  6. Step 6: Final answer
    x = 351,061.80

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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.