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Finding the Fourth Proportional to 383,818.80, 575,722.80 and 173,456.40

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Solution

The fourth proportional to 383,818.80, 575,722.80 and 173,456.40 is: 260,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,818.80 : 575,722.80 = 173,456.40 : x
  2. Step 2: Convert to fraction form
    383,818.80/575,722.80 = 173,456.40/x
  3. Step 3: Cross multiply
    383,818.80x = 575,722.80 × 173,456.40
  4. Step 4: Simplify right side
    383,818.80x = 99,862,804,285.92
  5. Step 5: Solve for x
    x = 99,862,804,285.92/383,818.80
  6. Step 6: Final answer
    x = 260,182.16

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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.