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Finding the Fourth Proportional to 614,494.76, 847,522.04 and 399,703.41

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Solution

The fourth proportional to 614,494.76, 847,522.04 and 399,703.41 is: 551,278.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,494.76 : 847,522.04 = 399,703.41 : x
  2. Step 2: Convert to fraction form
    614,494.76/847,522.04 = 399,703.41/x
  3. Step 3: Cross multiply
    614,494.76x = 847,522.04 × 399,703.41
  4. Step 4: Simplify right side
    614,494.76x = 338,757,447,439.64
  5. Step 5: Solve for x
    x = 338,757,447,439.64/614,494.76
  6. Step 6: Final answer
    x = 551,278.01

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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.