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Finding the Fourth Proportional to 363,349.87, 500,903.16 and 255,585.44

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Solution

The fourth proportional to 363,349.87, 500,903.16 and 255,585.44 is: 352,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,349.87 : 500,903.16 = 255,585.44 : x
  2. Step 2: Convert to fraction form
    363,349.87/500,903.16 = 255,585.44/x
  3. Step 3: Cross multiply
    363,349.87x = 500,903.16 × 255,585.44
  4. Step 4: Simplify right side
    363,349.87x = 128,023,554,839.80
  5. Step 5: Solve for x
    x = 128,023,554,839.80/363,349.87
  6. Step 6: Final answer
    x = 352,342.37

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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.