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Finding the Fourth Proportional to 431,469.87, 595,448.80 and 240,484.65

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Solution

The fourth proportional to 431,469.87, 595,448.80 and 240,484.65 is: 331,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,469.87 : 595,448.80 = 240,484.65 : x
  2. Step 2: Convert to fraction form
    431,469.87/595,448.80 = 240,484.65/x
  3. Step 3: Cross multiply
    431,469.87x = 595,448.80 × 240,484.65
  4. Step 4: Simplify right side
    431,469.87x = 143,196,295,659.71
  5. Step 5: Solve for x
    x = 143,196,295,659.71/431,469.87
  6. Step 6: Final answer
    x = 331,880.17

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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.