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Finding the Fourth Proportional to 527,383.50, 790,756.30 and 207,152.02

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Solution

The fourth proportional to 527,383.50, 790,756.30 and 207,152.02 is: 310,602.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,383.50 : 790,756.30 = 207,152.02 : x
  2. Step 2: Convert to fraction form
    527,383.50/790,756.30 = 207,152.02/x
  3. Step 3: Cross multiply
    527,383.50x = 790,756.30 × 207,152.02
  4. Step 4: Simplify right side
    527,383.50x = 163,806,764,872.73
  5. Step 5: Solve for x
    x = 163,806,764,872.73/527,383.50
  6. Step 6: Final answer
    x = 310,602.75

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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.