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Finding the Fourth Proportional to 309,614.90, 464,422.35 and 183,643.70

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Solution

The fourth proportional to 309,614.90, 464,422.35 and 183,643.70 is: 275,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,614.90 : 464,422.35 = 183,643.70 : x
  2. Step 2: Convert to fraction form
    309,614.90/464,422.35 = 183,643.70/x
  3. Step 3: Cross multiply
    309,614.90x = 464,422.35 × 183,643.70
  4. Step 4: Simplify right side
    309,614.90x = 85,288,238,716.70
  5. Step 5: Solve for x
    x = 85,288,238,716.70/309,614.90
  6. Step 6: Final answer
    x = 275,465.55

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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.