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Finding the Fourth Proportional to 882,188.80, 1,323,283.20 and 807,539.20

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Solution

The fourth proportional to 882,188.80, 1,323,283.20 and 807,539.20 is: 1,211,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,188.80 : 1,323,283.20 = 807,539.20 : x
  2. Step 2: Convert to fraction form
    882,188.80/1,323,283.20 = 807,539.20/x
  3. Step 3: Cross multiply
    882,188.80x = 1,323,283.20 × 807,539.20
  4. Step 4: Simplify right side
    882,188.80x = 1,068,603,056,701.44
  5. Step 5: Solve for x
    x = 1,068,603,056,701.44/882,188.80
  6. Step 6: Final answer
    x = 1,211,308.80

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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.