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Finding the Fourth Proportional to 835,951.66, 1,253,759.84 and 409,303.66

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Solution

The fourth proportional to 835,951.66, 1,253,759.84 and 409,303.66 is: 613,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,951.66 : 1,253,759.84 = 409,303.66 : x
  2. Step 2: Convert to fraction form
    835,951.66/1,253,759.84 = 409,303.66/x
  3. Step 3: Cross multiply
    835,951.66x = 1,253,759.84 × 409,303.66
  4. Step 4: Simplify right side
    835,951.66x = 513,168,491,273.01
  5. Step 5: Solve for x
    x = 513,168,491,273.01/835,951.66
  6. Step 6: Final answer
    x = 613,873.40

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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.