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Finding the Fourth Proportional to 884,907.76, 1,221,173.92 and 482,499.76

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Solution

The fourth proportional to 884,907.76, 1,221,173.92 and 482,499.76 is: 665,850.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,907.76 : 1,221,173.92 = 482,499.76 : x
  2. Step 2: Convert to fraction form
    884,907.76/1,221,173.92 = 482,499.76/x
  3. Step 3: Cross multiply
    884,907.76x = 1,221,173.92 × 482,499.76
  4. Step 4: Simplify right side
    884,907.76x = 589,216,123,318.26
  5. Step 5: Solve for x
    x = 589,216,123,318.26/884,907.76
  6. Step 6: Final answer
    x = 665,850.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.