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Finding the Fourth Proportional to 227,263.18, 340,894.80 and 69,491.64

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Solution

The fourth proportional to 227,263.18, 340,894.80 and 69,491.64 is: 104,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,263.18 : 340,894.80 = 69,491.64 : x
  2. Step 2: Convert to fraction form
    227,263.18/340,894.80 = 69,491.64/x
  3. Step 3: Cross multiply
    227,263.18x = 340,894.80 × 69,491.64
  4. Step 4: Simplify right side
    227,263.18x = 23,689,338,719.47
  5. Step 5: Solve for x
    x = 23,689,338,719.47/227,263.18
  6. Step 6: Final answer
    x = 104,237.47

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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.