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Finding the Fourth Proportional to 482,762.30, 724,143.45 and 306,052.70

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Solution

The fourth proportional to 482,762.30, 724,143.45 and 306,052.70 is: 459,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,762.30 : 724,143.45 = 306,052.70 : x
  2. Step 2: Convert to fraction form
    482,762.30/724,143.45 = 306,052.70/x
  3. Step 3: Cross multiply
    482,762.30x = 724,143.45 × 306,052.70
  4. Step 4: Simplify right side
    482,762.30x = 221,626,058,059.82
  5. Step 5: Solve for x
    x = 221,626,058,059.82/482,762.30
  6. Step 6: Final answer
    x = 459,079.05

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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.