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Finding the Fourth Proportional to 451,806.59, 623,490.56 and 247,852.29

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Solution

The fourth proportional to 451,806.59, 623,490.56 and 247,852.29 is: 342,034.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,806.59 : 623,490.56 = 247,852.29 : x
  2. Step 2: Convert to fraction form
    451,806.59/623,490.56 = 247,852.29/x
  3. Step 3: Cross multiply
    451,806.59x = 623,490.56 × 247,852.29
  4. Step 4: Simplify right side
    451,806.59x = 154,533,561,850.12
  5. Step 5: Solve for x
    x = 154,533,561,850.12/451,806.59
  6. Step 6: Final answer
    x = 342,034.77

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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.