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Finding the Fourth Proportional to 479,715.35, 662,008.16 and 264,855.83

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Solution

The fourth proportional to 479,715.35, 662,008.16 and 264,855.83 is: 365,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,715.35 : 662,008.16 = 264,855.83 : x
  2. Step 2: Convert to fraction form
    479,715.35/662,008.16 = 264,855.83/x
  3. Step 3: Cross multiply
    479,715.35x = 662,008.16 × 264,855.83
  4. Step 4: Simplify right side
    479,715.35x = 175,336,720,683.57
  5. Step 5: Solve for x
    x = 175,336,720,683.57/479,715.35
  6. Step 6: Final answer
    x = 365,501.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.