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Finding the Fourth Proportional to 472,181.06, 708,480.72 and 247,488.07

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Solution

The fourth proportional to 472,181.06, 708,480.72 and 247,488.07 is: 371,341.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,181.06 : 708,480.72 = 247,488.07 : x
  2. Step 2: Convert to fraction form
    472,181.06/708,480.72 = 247,488.07/x
  3. Step 3: Cross multiply
    472,181.06x = 708,480.72 × 247,488.07
  4. Step 4: Simplify right side
    472,181.06x = 175,340,526,025.01
  5. Step 5: Solve for x
    x = 175,340,526,025.01/472,181.06
  6. Step 6: Final answer
    x = 371,341.72

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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.