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Finding the Fourth Proportional to 265,762.80, 398,445.80 and 160,559.60

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Solution

The fourth proportional to 265,762.80, 398,445.80 and 160,559.60 is: 240,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,762.80 : 398,445.80 = 160,559.60 : x
  2. Step 2: Convert to fraction form
    265,762.80/398,445.80 = 160,559.60/x
  3. Step 3: Cross multiply
    265,762.80x = 398,445.80 × 160,559.60
  4. Step 4: Simplify right side
    265,762.80x = 63,974,298,269.68
  5. Step 5: Solve for x
    x = 63,974,298,269.68/265,762.80
  6. Step 6: Final answer
    x = 240,719.54

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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.