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Finding the Fourth Proportional to 507,036.14, 699,718.15 and 277,589.58

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Solution

The fourth proportional to 507,036.14, 699,718.15 and 277,589.58 is: 383,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,036.14 : 699,718.15 = 277,589.58 : x
  2. Step 2: Convert to fraction form
    507,036.14/699,718.15 = 277,589.58/x
  3. Step 3: Cross multiply
    507,036.14x = 699,718.15 × 277,589.58
  4. Step 4: Simplify right side
    507,036.14x = 194,234,467,474.39
  5. Step 5: Solve for x
    x = 194,234,467,474.39/507,036.14
  6. Step 6: Final answer
    x = 383,078.15

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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.