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Finding the Fourth Proportional to 1,035,802.80, 1,551,079.80 and 825,850.80

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Solution

The fourth proportional to 1,035,802.80, 1,551,079.80 and 825,850.80 is: 1,236,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,802.80 : 1,551,079.80 = 825,850.80 : x
  2. Step 2: Convert to fraction form
    1,035,802.80/1,551,079.80 = 825,850.80/x
  3. Step 3: Cross multiply
    1,035,802.80x = 1,551,079.80 × 825,850.80
  4. Step 4: Simplify right side
    1,035,802.80x = 1,280,960,493,693.84
  5. Step 5: Solve for x
    x = 1,280,960,493,693.84/1,035,802.80
  6. Step 6: Final answer
    x = 1,236,683.75

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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.