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Finding the Fourth Proportional to 440,153.87, 607,414.85 and 258,873.44

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Solution

The fourth proportional to 440,153.87, 607,414.85 and 258,873.44 is: 357,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,153.87 : 607,414.85 = 258,873.44 : x
  2. Step 2: Convert to fraction form
    440,153.87/607,414.85 = 258,873.44/x
  3. Step 3: Cross multiply
    440,153.87x = 607,414.85 × 258,873.44
  4. Step 4: Simplify right side
    440,153.87x = 157,243,568,365.92
  5. Step 5: Solve for x
    x = 157,243,568,365.92/440,153.87
  6. Step 6: Final answer
    x = 357,246.82

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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.