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Finding the Fourth Proportional to 277,775.92, 383,338.64 and 156,922.32

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Solution

The fourth proportional to 277,775.92, 383,338.64 and 156,922.32 is: 216,557.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,775.92 : 383,338.64 = 156,922.32 : x
  2. Step 2: Convert to fraction form
    277,775.92/383,338.64 = 156,922.32/x
  3. Step 3: Cross multiply
    277,775.92x = 383,338.64 × 156,922.32
  4. Step 4: Simplify right side
    277,775.92x = 60,154,388,734.44
  5. Step 5: Solve for x
    x = 60,154,388,734.44/277,775.92
  6. Step 6: Final answer
    x = 216,557.25

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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.