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Finding the Fourth Proportional to 492,006.85, 738,010.28 and 492,006.85

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Solution

The fourth proportional to 492,006.85, 738,010.28 and 492,006.85 is: 738,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,006.85 : 738,010.28 = 492,006.85 : x
  2. Step 2: Convert to fraction form
    492,006.85/738,010.28 = 492,006.85/x
  3. Step 3: Cross multiply
    492,006.85x = 738,010.28 × 492,006.85
  4. Step 4: Simplify right side
    492,006.85x = 363,106,110,670.38
  5. Step 5: Solve for x
    x = 363,106,110,670.38/492,006.85
  6. Step 6: Final answer
    x = 738,010.28

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Similar ratio
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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.