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Finding the Fourth Proportional to 262,502.75, 393,812.45 and 96,290.75

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Solution

The fourth proportional to 262,502.75, 393,812.45 and 96,290.75 is: 144,457.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,502.75 : 393,812.45 = 96,290.75 : x
  2. Step 2: Convert to fraction form
    262,502.75/393,812.45 = 96,290.75/x
  3. Step 3: Cross multiply
    262,502.75x = 393,812.45 × 96,290.75
  4. Step 4: Simplify right side
    262,502.75x = 37,920,496,169.84
  5. Step 5: Solve for x
    x = 37,920,496,169.84/262,502.75
  6. Step 6: Final answer
    x = 144,457.52

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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.