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Finding the Fourth Proportional to 451,793.16, 623,482.88 and 247,854.51

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Solution

The fourth proportional to 451,793.16, 623,482.88 and 247,854.51 is: 342,043.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,793.16 : 623,482.88 = 247,854.51 : x
  2. Step 2: Convert to fraction form
    451,793.16/623,482.88 = 247,854.51/x
  3. Step 3: Cross multiply
    451,793.16x = 623,482.88 × 247,854.51
  4. Step 4: Simplify right side
    451,793.16x = 154,533,042,476.52
  5. Step 5: Solve for x
    x = 154,533,042,476.52/451,793.16
  6. Step 6: Final answer
    x = 342,043.78

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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.