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Finding the Fourth Proportional to 262,501.75, 393,810.95 and 96,289.75

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Solution

The fourth proportional to 262,501.75, 393,810.95 and 96,289.75 is: 144,456.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,501.75 : 393,810.95 = 96,289.75 : x
  2. Step 2: Convert to fraction form
    262,501.75/393,810.95 = 96,289.75/x
  3. Step 3: Cross multiply
    262,501.75x = 393,810.95 × 96,289.75
  4. Step 4: Simplify right side
    262,501.75x = 37,919,957,922.76
  5. Step 5: Solve for x
    x = 37,919,957,922.76/262,501.75
  6. Step 6: Final answer
    x = 144,456.02

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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.