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Finding the Fourth Proportional to 565,116.72, 847,543.68 and 210,297.84

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Solution

The fourth proportional to 565,116.72, 847,543.68 and 210,297.84 is: 315,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,116.72 : 847,543.68 = 210,297.84 : x
  2. Step 2: Convert to fraction form
    565,116.72/847,543.68 = 210,297.84/x
  3. Step 3: Cross multiply
    565,116.72x = 847,543.68 × 210,297.84
  4. Step 4: Simplify right side
    565,116.72x = 178,236,605,209.65
  5. Step 5: Solve for x
    x = 178,236,605,209.65/565,116.72
  6. Step 6: Final answer
    x = 315,397.86

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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.