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Finding the Fourth Proportional to 527,980.62, 791,900.52 and 148,931.82

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Solution

The fourth proportional to 527,980.62, 791,900.52 and 148,931.82 is: 223,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,980.62 : 791,900.52 = 148,931.82 : x
  2. Step 2: Convert to fraction form
    527,980.62/791,900.52 = 148,931.82/x
  3. Step 3: Cross multiply
    527,980.62x = 791,900.52 × 148,931.82
  4. Step 4: Simplify right side
    527,980.62x = 117,939,185,702.55
  5. Step 5: Solve for x
    x = 117,939,185,702.55/527,980.62
  6. Step 6: Final answer
    x = 223,377.87

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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.