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Finding the Fourth Proportional to 548,417.28, 822,113.28 and 193,232.64

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Solution

The fourth proportional to 548,417.28, 822,113.28 and 193,232.64 is: 289,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,417.28 : 822,113.28 = 193,232.64 : x
  2. Step 2: Convert to fraction form
    548,417.28/822,113.28 = 193,232.64/x
  3. Step 3: Cross multiply
    548,417.28x = 822,113.28 × 193,232.64
  4. Step 4: Simplify right side
    548,417.28x = 158,859,119,473.46
  5. Step 5: Solve for x
    x = 158,859,119,473.46/548,417.28
  6. Step 6: Final answer
    x = 289,668.33

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Similar ratio
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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.