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Finding the Fourth Proportional to 966,556.80, 1,448,409.60 and 700,876.80

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Solution

The fourth proportional to 966,556.80, 1,448,409.60 and 700,876.80 is: 1,050,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,556.80 : 1,448,409.60 = 700,876.80 : x
  2. Step 2: Convert to fraction form
    966,556.80/1,448,409.60 = 700,876.80/x
  3. Step 3: Cross multiply
    966,556.80x = 1,448,409.60 × 700,876.80
  4. Step 4: Simplify right side
    966,556.80x = 1,015,156,685,537.28
  5. Step 5: Solve for x
    x = 1,015,156,685,537.28/966,556.80
  6. Step 6: Final answer
    x = 1,050,281.46

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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.