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Finding the Fourth Proportional to 411,781.42, 616,867.70 and 283,675.10

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Solution

The fourth proportional to 411,781.42, 616,867.70 and 283,675.10 is: 424,958.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,781.42 : 616,867.70 = 283,675.10 : x
  2. Step 2: Convert to fraction form
    411,781.42/616,867.70 = 283,675.10/x
  3. Step 3: Cross multiply
    411,781.42x = 616,867.70 × 283,675.10
  4. Step 4: Simplify right side
    411,781.42x = 174,990,006,608.06
  5. Step 5: Solve for x
    x = 174,990,006,608.06/411,781.42
  6. Step 6: Final answer
    x = 424,958.48

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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.