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Finding the Fourth Proportional to 802,073.60, 1,203,110.40 and 714,982.40

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Solution

The fourth proportional to 802,073.60, 1,203,110.40 and 714,982.40 is: 1,072,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,073.60 : 1,203,110.40 = 714,982.40 : x
  2. Step 2: Convert to fraction form
    802,073.60/1,203,110.40 = 714,982.40/x
  3. Step 3: Cross multiply
    802,073.60x = 1,203,110.40 × 714,982.40
  4. Step 4: Simplify right side
    802,073.60x = 860,202,761,256.96
  5. Step 5: Solve for x
    x = 860,202,761,256.96/802,073.60
  6. Step 6: Final answer
    x = 1,072,473.60

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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.