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Finding the Fourth Proportional to 482,960.40, 724,440.60 and 303,334.80

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Solution

The fourth proportional to 482,960.40, 724,440.60 and 303,334.80 is: 455,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,960.40 : 724,440.60 = 303,334.80 : x
  2. Step 2: Convert to fraction form
    482,960.40/724,440.60 = 303,334.80/x
  3. Step 3: Cross multiply
    482,960.40x = 724,440.60 × 303,334.80
  4. Step 4: Simplify right side
    482,960.40x = 219,748,044,512.88
  5. Step 5: Solve for x
    x = 219,748,044,512.88/482,960.40
  6. Step 6: Final answer
    x = 455,002.20

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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.