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Finding the Fourth Proportional to 292,818.96, 439,228.44 and 71,201.04

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Solution

The fourth proportional to 292,818.96, 439,228.44 and 71,201.04 is: 106,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,818.96 : 439,228.44 = 71,201.04 : x
  2. Step 2: Convert to fraction form
    292,818.96/439,228.44 = 71,201.04/x
  3. Step 3: Cross multiply
    292,818.96x = 439,228.44 × 71,201.04
  4. Step 4: Simplify right side
    292,818.96x = 31,273,521,725.58
  5. Step 5: Solve for x
    x = 31,273,521,725.58/292,818.96
  6. Step 6: Final answer
    x = 106,801.56

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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.