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Finding the Fourth Proportional to 409,062.40, 613,593.60 and 249,630.10

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Solution

The fourth proportional to 409,062.40, 613,593.60 and 249,630.10 is: 374,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,062.40 : 613,593.60 = 249,630.10 : x
  2. Step 2: Convert to fraction form
    409,062.40/613,593.60 = 249,630.10/x
  3. Step 3: Cross multiply
    409,062.40x = 613,593.60 × 249,630.10
  4. Step 4: Simplify right side
    409,062.40x = 153,171,431,727.36
  5. Step 5: Solve for x
    x = 153,171,431,727.36/409,062.40
  6. Step 6: Final answer
    x = 374,445.15

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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.