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Finding the Fourth Proportional to 963,778.80, 1,444,285.80 and 709,071.60

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Solution

The fourth proportional to 963,778.80, 1,444,285.80 and 709,071.60 is: 1,062,590.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,778.80 : 1,444,285.80 = 709,071.60 : x
  2. Step 2: Convert to fraction form
    963,778.80/1,444,285.80 = 709,071.60/x
  3. Step 3: Cross multiply
    963,778.80x = 1,444,285.80 × 709,071.60
  4. Step 4: Simplify right side
    963,778.80x = 1,024,102,043,063.28
  5. Step 5: Solve for x
    x = 1,024,102,043,063.28/963,778.80
  6. Step 6: Final answer
    x = 1,062,590.34

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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.