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Finding the Fourth Proportional to 624,252.64, 935,931.84 and 264,447.76

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Solution

The fourth proportional to 624,252.64, 935,931.84 and 264,447.76 is: 396,482.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,252.64 : 935,931.84 = 264,447.76 : x
  2. Step 2: Convert to fraction form
    624,252.64/935,931.84 = 264,447.76/x
  3. Step 3: Cross multiply
    624,252.64x = 935,931.84 × 264,447.76
  4. Step 4: Simplify right side
    624,252.64x = 247,505,078,600.68
  5. Step 5: Solve for x
    x = 247,505,078,600.68/624,252.64
  6. Step 6: Final answer
    x = 396,482.23

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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.