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Finding the Fourth Proportional to 267,263.18, 400,511.12 and 160,690.67

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Solution

The fourth proportional to 267,263.18, 400,511.12 and 160,690.67 is: 240,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,263.18 : 400,511.12 = 160,690.67 : x
  2. Step 2: Convert to fraction form
    267,263.18/400,511.12 = 160,690.67/x
  3. Step 3: Cross multiply
    267,263.18x = 400,511.12 × 160,690.67
  4. Step 4: Simplify right side
    267,263.18x = 64,358,398,911.16
  5. Step 5: Solve for x
    x = 64,358,398,911.16/267,263.18
  6. Step 6: Final answer
    x = 240,805.33

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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.