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Finding the Fourth Proportional to 371,333.73, 512,440.11 and 201,567.86

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Solution

The fourth proportional to 371,333.73, 512,440.11 and 201,567.86 is: 278,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,333.73 : 512,440.11 = 201,567.86 : x
  2. Step 2: Convert to fraction form
    371,333.73/512,440.11 = 201,567.86/x
  3. Step 3: Cross multiply
    371,333.73x = 512,440.11 × 201,567.86
  4. Step 4: Simplify right side
    371,333.73x = 103,291,453,788.66
  5. Step 5: Solve for x
    x = 103,291,453,788.66/371,333.73
  6. Step 6: Final answer
    x = 278,163.40

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1.5x scale

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.