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Finding the Fourth Proportional to 469,392.67, 704,143.98 and 149,432.48

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Solution

The fourth proportional to 469,392.67, 704,143.98 and 149,432.48 is: 224,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,392.67 : 704,143.98 = 149,432.48 : x
  2. Step 2: Convert to fraction form
    469,392.67/704,143.98 = 149,432.48/x
  3. Step 3: Cross multiply
    469,392.67x = 704,143.98 × 149,432.48
  4. Step 4: Simplify right side
    469,392.67x = 105,221,976,940.59
  5. Step 5: Solve for x
    x = 105,221,976,940.59/469,392.67
  6. Step 6: Final answer
    x = 224,166.21

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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.