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Finding the Fourth Proportional to 963,912.80, 1,444,486.80 and 709,205.60

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Solution

The fourth proportional to 963,912.80, 1,444,486.80 and 709,205.60 is: 1,062,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,912.80 : 1,444,486.80 = 709,205.60 : x
  2. Step 2: Convert to fraction form
    963,912.80/1,444,486.80 = 709,205.60/x
  3. Step 3: Cross multiply
    963,912.80x = 1,444,486.80 × 709,205.60
  4. Step 4: Simplify right side
    963,912.80x = 1,024,438,127,686.08
  5. Step 5: Solve for x
    x = 1,024,438,127,686.08/963,912.80
  6. Step 6: Final answer
    x = 1,062,791.29

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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.