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Finding the Fourth Proportional to 374,570.01, 561,781.71 and 311,793.39

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Solution

The fourth proportional to 374,570.01, 561,781.71 and 311,793.39 is: 467,629.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,570.01 : 561,781.71 = 311,793.39 : x
  2. Step 2: Convert to fraction form
    374,570.01/561,781.71 = 311,793.39/x
  3. Step 3: Cross multiply
    374,570.01x = 561,781.71 × 311,793.39
  4. Step 4: Simplify right side
    374,570.01x = 175,159,823,800.90
  5. Step 5: Solve for x
    x = 175,159,823,800.90/374,570.01
  6. Step 6: Final answer
    x = 467,629.07

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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.