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Finding the Fourth Proportional to 507,378.53, 700,173.52 and 277,940.36

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Solution

The fourth proportional to 507,378.53, 700,173.52 and 277,940.36 is: 383,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,378.53 : 700,173.52 = 277,940.36 : x
  2. Step 2: Convert to fraction form
    507,378.53/700,173.52 = 277,940.36/x
  3. Step 3: Cross multiply
    507,378.53x = 700,173.52 × 277,940.36
  4. Step 4: Simplify right side
    507,378.53x = 194,606,481,266.85
  5. Step 5: Solve for x
    x = 194,606,481,266.85/507,378.53
  6. Step 6: Final answer
    x = 383,552.85

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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.