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Finding the Fourth Proportional to 207,326.60, 310,601.10 and 193,329.80

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Solution

The fourth proportional to 207,326.60, 310,601.10 and 193,329.80 is: 289,632.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,326.60 : 310,601.10 = 193,329.80 : x
  2. Step 2: Convert to fraction form
    207,326.60/310,601.10 = 193,329.80/x
  3. Step 3: Cross multiply
    207,326.60x = 310,601.10 × 193,329.80
  4. Step 4: Simplify right side
    207,326.60x = 60,048,448,542.78
  5. Step 5: Solve for x
    x = 60,048,448,542.78/207,326.60
  6. Step 6: Final answer
    x = 289,632.15

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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.