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Finding the Fourth Proportional to 578,580.13, 798,254.84 and 374,787.27

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Solution

The fourth proportional to 578,580.13, 798,254.84 and 374,787.27 is: 517,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,580.13 : 798,254.84 = 374,787.27 : x
  2. Step 2: Convert to fraction form
    578,580.13/798,254.84 = 374,787.27/x
  3. Step 3: Cross multiply
    578,580.13x = 798,254.84 × 374,787.27
  4. Step 4: Simplify right side
    578,580.13x = 299,175,752,247.89
  5. Step 5: Solve for x
    x = 299,175,752,247.89/578,580.13
  6. Step 6: Final answer
    x = 517,086.12

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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.