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Finding the Fourth Proportional to 295,050.40, 442,574.92 and 126,461.41

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Solution

The fourth proportional to 295,050.40, 442,574.92 and 126,461.41 is: 189,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,050.40 : 442,574.92 = 126,461.41 : x
  2. Step 2: Convert to fraction form
    295,050.40/442,574.92 = 126,461.41/x
  3. Step 3: Cross multiply
    295,050.40x = 442,574.92 × 126,461.41
  4. Step 4: Simplify right side
    295,050.40x = 55,968,648,413.84
  5. Step 5: Solve for x
    x = 55,968,648,413.84/295,050.40
  6. Step 6: Final answer
    x = 189,691.82

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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.