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Finding the Fourth Proportional to 262,886.39, 394,329.58 and 63,206.78

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Solution

The fourth proportional to 262,886.39, 394,329.58 and 63,206.78 is: 94,810.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,886.39 : 394,329.58 = 63,206.78 : x
  2. Step 2: Convert to fraction form
    262,886.39/394,329.58 = 63,206.78/x
  3. Step 3: Cross multiply
    262,886.39x = 394,329.58 × 63,206.78
  4. Step 4: Simplify right side
    262,886.39x = 24,924,303,010.55
  5. Step 5: Solve for x
    x = 24,924,303,010.55/262,886.39
  6. Step 6: Final answer
    x = 94,810.17

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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.