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Finding the Fourth Proportional to 484,074.40, 725,938.80 and 168,541.60

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Solution

The fourth proportional to 484,074.40, 725,938.80 and 168,541.60 is: 252,752.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,074.40 : 725,938.80 = 168,541.60 : x
  2. Step 2: Convert to fraction form
    484,074.40/725,938.80 = 168,541.60/x
  3. Step 3: Cross multiply
    484,074.40x = 725,938.80 × 168,541.60
  4. Step 4: Simplify right side
    484,074.40x = 122,350,886,854.08
  5. Step 5: Solve for x
    x = 122,350,886,854.08/484,074.40
  6. Step 6: Final answer
    x = 252,752.24

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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.