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Finding the Fourth Proportional to 371,455.87, 512,594.72 and 201,686.11

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Solution

The fourth proportional to 371,455.87, 512,594.72 and 201,686.11 is: 278,319.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,455.87 : 512,594.72 = 201,686.11 : x
  2. Step 2: Convert to fraction form
    371,455.87/512,594.72 = 201,686.11/x
  3. Step 3: Cross multiply
    371,455.87x = 512,594.72 × 201,686.11
  4. Step 4: Simplify right side
    371,455.87x = 103,383,235,083.34
  5. Step 5: Solve for x
    x = 103,383,235,083.34/371,455.87
  6. Step 6: Final answer
    x = 278,319.02

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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.