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Finding the Fourth Proportional to 378,584.01, 567,985.57 and 122,411.12

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Solution

The fourth proportional to 378,584.01, 567,985.57 and 122,411.12 is: 183,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,584.01 : 567,985.57 = 122,411.12 : x
  2. Step 2: Convert to fraction form
    378,584.01/567,985.57 = 122,411.12/x
  3. Step 3: Cross multiply
    378,584.01x = 567,985.57 × 122,411.12
  4. Step 4: Simplify right side
    378,584.01x = 69,527,746,621.58
  5. Step 5: Solve for x
    x = 69,527,746,621.58/378,584.01
  6. Step 6: Final answer
    x = 183,652.10

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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.