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Finding the Fourth Proportional to 578,540.60, 867,810.90 and 246,073.40

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Solution

The fourth proportional to 578,540.60, 867,810.90 and 246,073.40 is: 369,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,540.60 : 867,810.90 = 246,073.40 : x
  2. Step 2: Convert to fraction form
    578,540.60/867,810.90 = 246,073.40/x
  3. Step 3: Cross multiply
    578,540.60x = 867,810.90 × 246,073.40
  4. Step 4: Simplify right side
    578,540.60x = 213,545,178,720.06
  5. Step 5: Solve for x
    x = 213,545,178,720.06/578,540.60
  6. Step 6: Final answer
    x = 369,110.10

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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.