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Finding the Fourth Proportional to 624,232.40, 936,672.60 and 291,808.40

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Solution

The fourth proportional to 624,232.40, 936,672.60 and 291,808.40 is: 437,864.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,232.40 : 936,672.60 = 291,808.40 : x
  2. Step 2: Convert to fraction form
    624,232.40/936,672.60 = 291,808.40/x
  3. Step 3: Cross multiply
    624,232.40x = 936,672.60 × 291,808.40
  4. Step 4: Simplify right side
    624,232.40x = 273,328,932,729.84
  5. Step 5: Solve for x
    x = 273,328,932,729.84/624,232.40
  6. Step 6: Final answer
    x = 437,864.06

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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.