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Finding the Fourth Proportional to 482,883.36, 724,150.08 and 216,506.76

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Solution

The fourth proportional to 482,883.36, 724,150.08 and 216,506.76 is: 324,681.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,883.36 : 724,150.08 = 216,506.76 : x
  2. Step 2: Convert to fraction form
    482,883.36/724,150.08 = 216,506.76/x
  3. Step 3: Cross multiply
    482,883.36x = 724,150.08 × 216,506.76
  4. Step 4: Simplify right side
    482,883.36x = 156,783,387,574.54
  5. Step 5: Solve for x
    x = 156,783,387,574.54/482,883.36
  6. Step 6: Final answer
    x = 324,681.69

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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.