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Finding the Fourth Proportional to 265,500.32, 366,388.53 and 144,641.57

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Solution

The fourth proportional to 265,500.32, 366,388.53 and 144,641.57 is: 199,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,500.32 : 366,388.53 = 144,641.57 : x
  2. Step 2: Convert to fraction form
    265,500.32/366,388.53 = 144,641.57/x
  3. Step 3: Cross multiply
    265,500.32x = 366,388.53 × 144,641.57
  4. Step 4: Simplify right side
    265,500.32x = 52,995,012,209.19
  5. Step 5: Solve for x
    x = 52,995,012,209.19/265,500.32
  6. Step 6: Final answer
    x = 199,604.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.