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Finding the Fourth Proportional to 527,445.70, 791,110.48 and 148,378.48

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Solution

The fourth proportional to 527,445.70, 791,110.48 and 148,378.48 is: 222,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,445.70 : 791,110.48 = 148,378.48 : x
  2. Step 2: Convert to fraction form
    527,445.70/791,110.48 = 148,378.48/x
  3. Step 3: Cross multiply
    527,445.70x = 791,110.48 × 148,378.48
  4. Step 4: Simplify right side
    527,445.70x = 117,383,770,534.47
  5. Step 5: Solve for x
    x = 117,383,770,534.47/527,445.70
  6. Step 6: Final answer
    x = 222,551.38

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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.