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Finding the Fourth Proportional to 265,501.57, 366,387.90 and 144,644.32

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Solution

The fourth proportional to 265,501.57, 366,387.90 and 144,644.32 is: 199,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,501.57 : 366,387.90 = 144,644.32 : x
  2. Step 2: Convert to fraction form
    265,501.57/366,387.90 = 144,644.32/x
  3. Step 3: Cross multiply
    265,501.57x = 366,387.90 × 144,644.32
  4. Step 4: Simplify right side
    265,501.57x = 52,995,928,651.73
  5. Step 5: Solve for x
    x = 52,995,928,651.73/265,501.57
  6. Step 6: Final answer
    x = 199,606.84

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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.