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Finding the Fourth Proportional to 555,694.80, 833,542.32 and 134,970.72

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Solution

The fourth proportional to 555,694.80, 833,542.32 and 134,970.72 is: 202,456.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,694.80 : 833,542.32 = 134,970.72 : x
  2. Step 2: Convert to fraction form
    555,694.80/833,542.32 = 134,970.72/x
  3. Step 3: Cross multiply
    555,694.80x = 833,542.32 × 134,970.72
  4. Step 4: Simplify right side
    555,694.80x = 112,503,807,080.87
  5. Step 5: Solve for x
    x = 112,503,807,080.87/555,694.80
  6. Step 6: Final answer
    x = 202,456.11

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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.