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Finding the Fourth Proportional to 527,605.50, 791,647.02 and 207,669.27

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Solution

The fourth proportional to 527,605.50, 791,647.02 and 207,669.27 is: 311,597.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,605.50 : 791,647.02 = 207,669.27 : x
  2. Step 2: Convert to fraction form
    527,605.50/791,647.02 = 207,669.27/x
  3. Step 3: Cross multiply
    527,605.50x = 791,647.02 × 207,669.27
  4. Step 4: Simplify right side
    527,605.50x = 164,400,758,741.08
  5. Step 5: Solve for x
    x = 164,400,758,741.08/527,605.50
  6. Step 6: Final answer
    x = 311,597.89

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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.