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Finding the Fourth Proportional to 450,439.68, 675,840 and 170,036.48

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Solution

The fourth proportional to 450,439.68, 675,840 and 170,036.48 is: 255,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,439.68 : 675,840 = 170,036.48 : x
  2. Step 2: Convert to fraction form
    450,439.68/675,840 = 170,036.48/x
  3. Step 3: Cross multiply
    450,439.68x = 675,840 × 170,036.48
  4. Step 4: Simplify right side
    450,439.68x = 114,917,454,643.20
  5. Step 5: Solve for x
    x = 114,917,454,643.20/450,439.68
  6. Step 6: Final answer
    x = 255,122.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.