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Finding the Fourth Proportional to 498,648.94, 747,973.41 and 124,671.94

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Solution

The fourth proportional to 498,648.94, 747,973.41 and 124,671.94 is: 187,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,648.94 : 747,973.41 = 124,671.94 : x
  2. Step 2: Convert to fraction form
    498,648.94/747,973.41 = 124,671.94/x
  3. Step 3: Cross multiply
    498,648.94x = 747,973.41 × 124,671.94
  4. Step 4: Simplify right side
    498,648.94x = 93,251,294,223.18
  5. Step 5: Solve for x
    x = 93,251,294,223.18/498,648.94
  6. Step 6: Final answer
    x = 187,007.91

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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.