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Finding the Fourth Proportional to 960,437.60, 1,444,155.60 and 806,472.80

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Solution

The fourth proportional to 960,437.60, 1,444,155.60 and 806,472.80 is: 1,212,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,437.60 : 1,444,155.60 = 806,472.80 : x
  2. Step 2: Convert to fraction form
    960,437.60/1,444,155.60 = 806,472.80/x
  3. Step 3: Cross multiply
    960,437.60x = 1,444,155.60 × 806,472.80
  4. Step 4: Simplify right side
    960,437.60x = 1,164,672,210,367.68
  5. Step 5: Solve for x
    x = 1,164,672,210,367.68/960,437.60
  6. Step 6: Final answer
    x = 1,212,647.45

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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.