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Finding the Fourth Proportional to 294,648.10, 441,972.15 and 194,920.90

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Solution

The fourth proportional to 294,648.10, 441,972.15 and 194,920.90 is: 292,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,648.10 : 441,972.15 = 194,920.90 : x
  2. Step 2: Convert to fraction form
    294,648.10/441,972.15 = 194,920.90/x
  3. Step 3: Cross multiply
    294,648.10x = 441,972.15 × 194,920.90
  4. Step 4: Simplify right side
    294,648.10x = 86,149,609,252.94
  5. Step 5: Solve for x
    x = 86,149,609,252.94/294,648.10
  6. Step 6: Final answer
    x = 292,381.35

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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.