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Finding the Fourth Proportional to 527,357.88, 791,085.42 and 172,373.76

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Solution

The fourth proportional to 527,357.88, 791,085.42 and 172,373.76 is: 258,576.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,357.88 : 791,085.42 = 172,373.76 : x
  2. Step 2: Convert to fraction form
    527,357.88/791,085.42 = 172,373.76/x
  3. Step 3: Cross multiply
    527,357.88x = 791,085.42 × 172,373.76
  4. Step 4: Simplify right side
    527,357.88x = 136,362,368,326.58
  5. Step 5: Solve for x
    x = 136,362,368,326.58/527,357.88
  6. Step 6: Final answer
    x = 258,576.53

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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.