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Finding the Fourth Proportional to 507,283.87, 760,565.39 and 254,381.92

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Solution

The fourth proportional to 507,283.87, 760,565.39 and 254,381.92 is: 381,392.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,283.87 : 760,565.39 = 254,381.92 : x
  2. Step 2: Convert to fraction form
    507,283.87/760,565.39 = 254,381.92/x
  3. Step 3: Cross multiply
    507,283.87x = 760,565.39 × 254,381.92
  4. Step 4: Simplify right side
    507,283.87x = 193,474,080,390.92
  5. Step 5: Solve for x
    x = 193,474,080,390.92/507,283.87
  6. Step 6: Final answer
    x = 381,392.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.