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Finding the Fourth Proportional to 472,448.10, 708,672.15 and 366,159.90

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Solution

The fourth proportional to 472,448.10, 708,672.15 and 366,159.90 is: 549,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,448.10 : 708,672.15 = 366,159.90 : x
  2. Step 2: Convert to fraction form
    472,448.10/708,672.15 = 366,159.90/x
  3. Step 3: Cross multiply
    472,448.10x = 708,672.15 × 366,159.90
  4. Step 4: Simplify right side
    472,448.10x = 259,487,323,576.79
  5. Step 5: Solve for x
    x = 259,487,323,576.79/472,448.10
  6. Step 6: Final answer
    x = 549,239.85

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Similar ratio
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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.