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Finding the Fourth Proportional to 950,690.25, 1,311,952.59 and 548,282.25

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Solution

The fourth proportional to 950,690.25, 1,311,952.59 and 548,282.25 is: 756,629.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,690.25 : 1,311,952.59 = 548,282.25 : x
  2. Step 2: Convert to fraction form
    950,690.25/1,311,952.59 = 548,282.25/x
  3. Step 3: Cross multiply
    950,690.25x = 1,311,952.59 × 548,282.25
  4. Step 4: Simplify right side
    950,690.25x = 719,320,317,938.53
  5. Step 5: Solve for x
    x = 719,320,317,938.53/950,690.25
  6. Step 6: Final answer
    x = 756,629.53

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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.