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Finding the Fourth Proportional to 527,093.64, 790,965.78 and 207,189.53

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Solution

The fourth proportional to 527,093.64, 790,965.78 and 207,189.53 is: 310,912.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,093.64 : 790,965.78 = 207,189.53 : x
  2. Step 2: Convert to fraction form
    527,093.64/790,965.78 = 207,189.53/x
  3. Step 3: Cross multiply
    527,093.64x = 790,965.78 × 207,189.53
  4. Step 4: Simplify right side
    527,093.64x = 163,879,830,181.70
  5. Step 5: Solve for x
    x = 163,879,830,181.70/527,093.64
  6. Step 6: Final answer
    x = 310,912.18

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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.