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Finding the Fourth Proportional to 265,728.20, 366,707.68 and 144,868.82

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Solution

The fourth proportional to 265,728.20, 366,707.68 and 144,868.82 is: 199,920.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,728.20 : 366,707.68 = 144,868.82 : x
  2. Step 2: Convert to fraction form
    265,728.20/366,707.68 = 144,868.82/x
  3. Step 3: Cross multiply
    265,728.20x = 366,707.68 × 144,868.82
  4. Step 4: Simplify right side
    265,728.20x = 53,124,506,690.83
  5. Step 5: Solve for x
    x = 53,124,506,690.83/265,728.20
  6. Step 6: Final answer
    x = 199,920.47

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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.