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Finding the Fourth Proportional to 472,062.65, 708,093.33 and 219,204.87

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Solution

The fourth proportional to 472,062.65, 708,093.33 and 219,204.87 is: 328,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,062.65 : 708,093.33 = 219,204.87 : x
  2. Step 2: Convert to fraction form
    472,062.65/708,093.33 = 219,204.87/x
  3. Step 3: Cross multiply
    472,062.65x = 708,093.33 × 219,204.87
  4. Step 4: Simplify right side
    472,062.65x = 155,217,506,350.52
  5. Step 5: Solve for x
    x = 155,217,506,350.52/472,062.65
  6. Step 6: Final answer
    x = 328,807.01

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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.