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Finding the Fourth Proportional to 542,466.40, 813,699.60 and 484,405.60

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Solution

The fourth proportional to 542,466.40, 813,699.60 and 484,405.60 is: 726,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,466.40 : 813,699.60 = 484,405.60 : x
  2. Step 2: Convert to fraction form
    542,466.40/813,699.60 = 484,405.60/x
  3. Step 3: Cross multiply
    542,466.40x = 813,699.60 × 484,405.60
  4. Step 4: Simplify right side
    542,466.40x = 394,160,642,957.76
  5. Step 5: Solve for x
    x = 394,160,642,957.76/542,466.40
  6. Step 6: Final answer
    x = 726,608.40

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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.