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Finding the Fourth Proportional to 386,574.30, 533,490.50 and 241,466.00

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Solution

The fourth proportional to 386,574.30, 533,490.50 and 241,466.00 is: 333,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,574.30 : 533,490.50 = 241,466.00 : x
  2. Step 2: Convert to fraction form
    386,574.30/533,490.50 = 241,466.00/x
  3. Step 3: Cross multiply
    386,574.30x = 533,490.50 × 241,466.00
  4. Step 4: Simplify right side
    386,574.30x = 128,819,813,198.22
  5. Step 5: Solve for x
    x = 128,819,813,198.22/386,574.30
  6. Step 6: Final answer
    x = 333,234.29

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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.