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Finding the Fourth Proportional to 267,455.17, 401,539.07 and 155,215.95

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Solution

The fourth proportional to 267,455.17, 401,539.07 and 155,215.95 is: 233,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,455.17 : 401,539.07 = 155,215.95 : x
  2. Step 2: Convert to fraction form
    267,455.17/401,539.07 = 155,215.95/x
  3. Step 3: Cross multiply
    267,455.17x = 401,539.07 × 155,215.95
  4. Step 4: Simplify right side
    267,455.17x = 62,325,267,094.43
  5. Step 5: Solve for x
    x = 62,325,267,094.43/267,455.17
  6. Step 6: Final answer
    x = 233,030.71

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1.5x scale

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.