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Finding the Fourth Proportional to 456,818.04, 684,833.04 and 219,834.72

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Solution

The fourth proportional to 456,818.04, 684,833.04 and 219,834.72 is: 329,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,818.04 : 684,833.04 = 219,834.72 : x
  2. Step 2: Convert to fraction form
    456,818.04/684,833.04 = 219,834.72/x
  3. Step 3: Cross multiply
    456,818.04x = 684,833.04 × 219,834.72
  4. Step 4: Simplify right side
    456,818.04x = 150,550,079,595.15
  5. Step 5: Solve for x
    x = 150,550,079,595.15/456,818.04
  6. Step 6: Final answer
    x = 329,562.47

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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.