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Finding the Fourth Proportional to 294,466.46, 441,746.15 and 125,987.87

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Solution

The fourth proportional to 294,466.46, 441,746.15 and 125,987.87 is: 189,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,466.46 : 441,746.15 = 125,987.87 : x
  2. Step 2: Convert to fraction form
    294,466.46/441,746.15 = 125,987.87/x
  3. Step 3: Cross multiply
    294,466.46x = 441,746.15 × 125,987.87
  4. Step 4: Simplify right side
    294,466.46x = 55,654,657,938.54
  5. Step 5: Solve for x
    x = 55,654,657,938.54/294,466.46
  6. Step 6: Final answer
    x = 189,001.69

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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.