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Finding the Fourth Proportional to 482,820.30, 724,230.45 and 303,048.90

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Solution

The fourth proportional to 482,820.30, 724,230.45 and 303,048.90 is: 454,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,820.30 : 724,230.45 = 303,048.90 : x
  2. Step 2: Convert to fraction form
    482,820.30/724,230.45 = 303,048.90/x
  3. Step 3: Cross multiply
    482,820.30x = 724,230.45 × 303,048.90
  4. Step 4: Simplify right side
    482,820.30x = 219,477,241,219.01
  5. Step 5: Solve for x
    x = 219,477,241,219.01/482,820.30
  6. Step 6: Final answer
    x = 454,573.35

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Similar ratio
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1.5x scale

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.