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Finding the Fourth Proportional to 484,678.08, 726,904.08 and 185,048.64

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Solution

The fourth proportional to 484,678.08, 726,904.08 and 185,048.64 is: 277,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,678.08 : 726,904.08 = 185,048.64 : x
  2. Step 2: Convert to fraction form
    484,678.08/726,904.08 = 185,048.64/x
  3. Step 3: Cross multiply
    484,678.08x = 726,904.08 × 185,048.64
  4. Step 4: Simplify right side
    484,678.08x = 134,512,611,414.45
  5. Step 5: Solve for x
    x = 134,512,611,414.45/484,678.08
  6. Step 6: Final answer
    x = 277,529.80

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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.