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Finding the Fourth Proportional to 269,373.46, 400,879.73 and 260,403.52

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Solution

The fourth proportional to 269,373.46, 400,879.73 and 260,403.52 is: 387,530.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,373.46 : 400,879.73 = 260,403.52 : x
  2. Step 2: Convert to fraction form
    269,373.46/400,879.73 = 260,403.52/x
  3. Step 3: Cross multiply
    269,373.46x = 400,879.73 × 260,403.52
  4. Step 4: Simplify right side
    269,373.46x = 104,390,492,788.65
  5. Step 5: Solve for x
    x = 104,390,492,788.65/269,373.46
  6. Step 6: Final answer
    x = 387,530.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.