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Finding the Fourth Proportional to 892,812.06, 1,232,084.17 and 484,920.71

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Solution

The fourth proportional to 892,812.06, 1,232,084.17 and 484,920.71 is: 669,192.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,812.06 : 1,232,084.17 = 484,920.71 : x
  2. Step 2: Convert to fraction form
    892,812.06/1,232,084.17 = 484,920.71/x
  3. Step 3: Cross multiply
    892,812.06x = 1,232,084.17 × 484,920.71
  4. Step 4: Simplify right side
    892,812.06x = 597,463,132,032.38
  5. Step 5: Solve for x
    x = 597,463,132,032.38/892,812.06
  6. Step 6: Final answer
    x = 669,192.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.