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Finding the Fourth Proportional to 488,586.36, 732,699.41 and 168,656.82

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Solution

The fourth proportional to 488,586.36, 732,699.41 and 168,656.82 is: 252,923.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,586.36 : 732,699.41 = 168,656.82 : x
  2. Step 2: Convert to fraction form
    488,586.36/732,699.41 = 168,656.82/x
  3. Step 3: Cross multiply
    488,586.36x = 732,699.41 × 168,656.82
  4. Step 4: Simplify right side
    488,586.36x = 123,574,748,915.57
  5. Step 5: Solve for x
    x = 123,574,748,915.57/488,586.36
  6. Step 6: Final answer
    x = 252,923.04

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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.