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Finding the Fourth Proportional to 227,326.60, 340,990.98 and 69,554.80

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Solution

The fourth proportional to 227,326.60, 340,990.98 and 69,554.80 is: 104,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,326.60 : 340,990.98 = 69,554.80 : x
  2. Step 2: Convert to fraction form
    227,326.60/340,990.98 = 69,554.80/x
  3. Step 3: Cross multiply
    227,326.60x = 340,990.98 × 69,554.80
  4. Step 4: Simplify right side
    227,326.60x = 23,717,559,415.70
  5. Step 5: Solve for x
    x = 23,717,559,415.70/227,326.60
  6. Step 6: Final answer
    x = 104,332.53

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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.