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Finding the Fourth Proportional to 444,894.40, 613,954.32 and 243,690.40

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Solution

The fourth proportional to 444,894.40, 613,954.32 and 243,690.40 is: 336,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,894.40 : 613,954.32 = 243,690.40 : x
  2. Step 2: Convert to fraction form
    444,894.40/613,954.32 = 243,690.40/x
  3. Step 3: Cross multiply
    444,894.40x = 613,954.32 × 243,690.40
  4. Step 4: Simplify right side
    444,894.40x = 149,614,773,822.53
  5. Step 5: Solve for x
    x = 149,614,773,822.53/444,894.40
  6. Step 6: Final answer
    x = 336,292.78

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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.