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Finding the Fourth Proportional to 554,007.52, 830,355.18 and 254,235.43

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Solution

The fourth proportional to 554,007.52, 830,355.18 and 254,235.43 is: 381,052.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,007.52 : 830,355.18 = 254,235.43 : x
  2. Step 2: Convert to fraction form
    554,007.52/830,355.18 = 254,235.43/x
  3. Step 3: Cross multiply
    554,007.52x = 830,355.18 × 254,235.43
  4. Step 4: Simplify right side
    554,007.52x = 211,105,706,240.03
  5. Step 5: Solve for x
    x = 211,105,706,240.03/554,007.52
  6. Step 6: Final answer
    x = 381,052.06

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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.