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Finding the Fourth Proportional to 444,820.60, 613,851.78 and 243,616.60

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Solution

The fourth proportional to 444,820.60, 613,851.78 and 243,616.60 is: 336,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,820.60 : 613,851.78 = 243,616.60 : x
  2. Step 2: Convert to fraction form
    444,820.60/613,851.78 = 243,616.60/x
  3. Step 3: Cross multiply
    444,820.60x = 613,851.78 × 243,616.60
  4. Step 4: Simplify right side
    444,820.60x = 149,544,483,547.55
  5. Step 5: Solve for x
    x = 149,544,483,547.55/444,820.60
  6. Step 6: Final answer
    x = 336,190.55

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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.