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Finding the Fourth Proportional to 507,131.46, 699,852.15 and 277,698.42

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Solution

The fourth proportional to 507,131.46, 699,852.15 and 277,698.42 is: 383,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,131.46 : 699,852.15 = 277,698.42 : x
  2. Step 2: Convert to fraction form
    507,131.46/699,852.15 = 277,698.42/x
  3. Step 3: Cross multiply
    507,131.46x = 699,852.15 × 277,698.42
  4. Step 4: Simplify right side
    507,131.46x = 194,347,836,288.60
  5. Step 5: Solve for x
    x = 194,347,836,288.60/507,131.46
  6. Step 6: Final answer
    x = 383,229.70

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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.