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Finding the Fourth Proportional to 527,809.80, 738,000.60 and 527,809.80

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Solution

The fourth proportional to 527,809.80, 738,000.60 and 527,809.80 is: 738,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,809.80 : 738,000.60 = 527,809.80 : x
  2. Step 2: Convert to fraction form
    527,809.80/738,000.60 = 527,809.80/x
  3. Step 3: Cross multiply
    527,809.80x = 738,000.60 × 527,809.80
  4. Step 4: Simplify right side
    527,809.80x = 389,523,949,085.88
  5. Step 5: Solve for x
    x = 389,523,949,085.88/527,809.80
  6. Step 6: Final answer
    x = 738,000.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.