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Finding the Fourth Proportional to 527,234.90, 790,319.82 and 207,611.06

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Solution

The fourth proportional to 527,234.90, 790,319.82 and 207,611.06 is: 311,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,234.90 : 790,319.82 = 207,611.06 : x
  2. Step 2: Convert to fraction form
    527,234.90/790,319.82 = 207,611.06/x
  3. Step 3: Cross multiply
    527,234.90x = 790,319.82 × 207,611.06
  4. Step 4: Simplify right side
    527,234.90x = 164,079,135,569.21
  5. Step 5: Solve for x
    x = 164,079,135,569.21/527,234.90
  6. Step 6: Final answer
    x = 311,206.89

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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.