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Finding the Fourth Proportional to 441,065.28, 608,445.75 and 288,192.90

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Solution

The fourth proportional to 441,065.28, 608,445.75 and 288,192.90 is: 397,559.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,065.28 : 608,445.75 = 288,192.90 : x
  2. Step 2: Convert to fraction form
    441,065.28/608,445.75 = 288,192.90/x
  3. Step 3: Cross multiply
    441,065.28x = 608,445.75 × 288,192.90
  4. Step 4: Simplify right side
    441,065.28x = 175,349,745,185.18
  5. Step 5: Solve for x
    x = 175,349,745,185.18/441,065.28
  6. Step 6: Final answer
    x = 397,559.62

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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.