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Finding the Fourth Proportional to 548,746.53, 822,948.48 and 324,046.86

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Solution

The fourth proportional to 548,746.53, 822,948.48 and 324,046.86 is: 485,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,746.53 : 822,948.48 = 324,046.86 : x
  2. Step 2: Convert to fraction form
    548,746.53/822,948.48 = 324,046.86/x
  3. Step 3: Cross multiply
    548,746.53x = 822,948.48 × 324,046.86
  4. Step 4: Simplify right side
    548,746.53x = 266,673,870,885.77
  5. Step 5: Solve for x
    x = 266,673,870,885.77/548,746.53
  6. Step 6: Final answer
    x = 485,969.12

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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.