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Finding the Fourth Proportional to 294,292.50, 441,442.91 and 83,930.45

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Solution

The fourth proportional to 294,292.50, 441,442.91 and 83,930.45 is: 125,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,292.50 : 441,442.91 = 83,930.45 : x
  2. Step 2: Convert to fraction form
    294,292.50/441,442.91 = 83,930.45/x
  3. Step 3: Cross multiply
    294,292.50x = 441,442.91 × 83,930.45
  4. Step 4: Simplify right side
    294,292.50x = 37,050,499,458.74
  5. Step 5: Solve for x
    x = 37,050,499,458.74/294,292.50
  6. Step 6: Final answer
    x = 125,896.85

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1.5x scale

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.