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Finding the Fourth Proportional to 277,866.59, 383,405.40 and 163,150.20

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Solution

The fourth proportional to 277,866.59, 383,405.40 and 163,150.20 is: 225,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,866.59 : 383,405.40 = 163,150.20 : x
  2. Step 2: Convert to fraction form
    277,866.59/383,405.40 = 163,150.20/x
  3. Step 3: Cross multiply
    277,866.59x = 383,405.40 × 163,150.20
  4. Step 4: Simplify right side
    277,866.59x = 62,552,667,691.08
  5. Step 5: Solve for x
    x = 62,552,667,691.08/277,866.59
  6. Step 6: Final answer
    x = 225,117.63

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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.