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Finding the Fourth Proportional to 267,584, 401,402.88 and 70,592

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Solution

The fourth proportional to 267,584, 401,402.88 and 70,592 is: 105,895.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,584 : 401,402.88 = 70,592 : x
  2. Step 2: Convert to fraction form
    267,584/401,402.88 = 70,592/x
  3. Step 3: Cross multiply
    267,584x = 401,402.88 × 70,592
  4. Step 4: Simplify right side
    267,584x = 28,335,832,104.96
  5. Step 5: Solve for x
    x = 28,335,832,104.96/267,584
  6. Step 6: Final answer
    x = 105,895.09

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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.