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Finding the Fourth Proportional to 578,267.34, 867,608.52 and 258,392.48

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Solution

The fourth proportional to 578,267.34, 867,608.52 and 258,392.48 is: 387,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,267.34 : 867,608.52 = 258,392.48 : x
  2. Step 2: Convert to fraction form
    578,267.34/867,608.52 = 258,392.48/x
  3. Step 3: Cross multiply
    578,267.34x = 867,608.52 × 258,392.48
  4. Step 4: Simplify right side
    578,267.34x = 224,183,517,151.93
  5. Step 5: Solve for x
    x = 224,183,517,151.93/578,267.34
  6. Step 6: Final answer
    x = 387,681.44

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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.