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Finding the Fourth Proportional to 417,817.95, 576,595.11 and 226,831.34

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Solution

The fourth proportional to 417,817.95, 576,595.11 and 226,831.34 is: 313,030.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,817.95 : 576,595.11 = 226,831.34 : x
  2. Step 2: Convert to fraction form
    417,817.95/576,595.11 = 226,831.34/x
  3. Step 3: Cross multiply
    417,817.95x = 576,595.11 × 226,831.34
  4. Step 4: Simplify right side
    417,817.95x = 130,789,839,211.58
  5. Step 5: Solve for x
    x = 130,789,839,211.58/417,817.95
  6. Step 6: Final answer
    x = 313,030.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.