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Finding the Fourth Proportional to 966,469.20, 1,449,703.80 and 877,822.80

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Solution

The fourth proportional to 966,469.20, 1,449,703.80 and 877,822.80 is: 1,316,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,469.20 : 1,449,703.80 = 877,822.80 : x
  2. Step 2: Convert to fraction form
    966,469.20/1,449,703.80 = 877,822.80/x
  3. Step 3: Cross multiply
    966,469.20x = 1,449,703.80 × 877,822.80
  4. Step 4: Simplify right side
    966,469.20x = 1,272,583,048,886.64
  5. Step 5: Solve for x
    x = 1,272,583,048,886.64/966,469.20
  6. Step 6: Final answer
    x = 1,316,734.20

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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.