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Finding the Fourth Proportional to 2,782,706.04, 4,173,854.90 and 888,939

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Solution

The fourth proportional to 2,782,706.04, 4,173,854.90 and 888,939 is: 1,333,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,706.04 : 4,173,854.90 = 888,939 : x
  2. Step 2: Convert to fraction form
    2,782,706.04/4,173,854.90 = 888,939/x
  3. Step 3: Cross multiply
    2,782,706.04x = 4,173,854.90 × 888,939
  4. Step 4: Simplify right side
    2,782,706.04x = 3,710,302,400,951.10
  5. Step 5: Solve for x
    x = 3,710,302,400,951.10/2,782,706.04
  6. Step 6: Final answer
    x = 1,333,343.28

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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.