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Finding the Fourth Proportional to 228,215.45, 341,831.10 and 228,215.45

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Solution

The fourth proportional to 228,215.45, 341,831.10 and 228,215.45 is: 341,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,215.45 : 341,831.10 = 228,215.45 : x
  2. Step 2: Convert to fraction form
    228,215.45/341,831.10 = 228,215.45/x
  3. Step 3: Cross multiply
    228,215.45x = 341,831.10 × 228,215.45
  4. Step 4: Simplify right side
    228,215.45x = 78,011,138,310.50
  5. Step 5: Solve for x
    x = 78,011,138,310.50/228,215.45
  6. Step 6: Final answer
    x = 341,831.10

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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.