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Finding the Fourth Proportional to 594,781.42, 892,173.40 and 418,079.12

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Solution

The fourth proportional to 594,781.42, 892,173.40 and 418,079.12 is: 627,119.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,781.42 : 892,173.40 = 418,079.12 : x
  2. Step 2: Convert to fraction form
    594,781.42/892,173.40 = 418,079.12/x
  3. Step 3: Cross multiply
    594,781.42x = 892,173.40 × 418,079.12
  4. Step 4: Simplify right side
    594,781.42x = 372,999,069,959.41
  5. Step 5: Solve for x
    x = 372,999,069,959.41/594,781.42
  6. Step 6: Final answer
    x = 627,119.57

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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.