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Finding the Fourth Proportional to 451,633.46, 623,255.06 and 247,685.82

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Solution

The fourth proportional to 451,633.46, 623,255.06 and 247,685.82 is: 341,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,633.46 : 623,255.06 = 247,685.82 : x
  2. Step 2: Convert to fraction form
    451,633.46/623,255.06 = 247,685.82/x
  3. Step 3: Cross multiply
    451,633.46x = 623,255.06 × 247,685.82
  4. Step 4: Simplify right side
    451,633.46x = 154,371,440,605.25
  5. Step 5: Solve for x
    x = 154,371,440,605.25/451,633.46
  6. Step 6: Final answer
    x = 341,806.92

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1.5x scale

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.