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Finding the Fourth Proportional to 398,557.06, 595,502.79 and 384,604.00

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Solution

The fourth proportional to 398,557.06, 595,502.79 and 384,604.00 is: 574,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,557.06 : 595,502.79 = 384,604.00 : x
  2. Step 2: Convert to fraction form
    398,557.06/595,502.79 = 384,604.00/x
  3. Step 3: Cross multiply
    398,557.06x = 595,502.79 × 384,604.00
  4. Step 4: Simplify right side
    398,557.06x = 229,032,752,114.14
  5. Step 5: Solve for x
    x = 229,032,752,114.14/398,557.06
  6. Step 6: Final answer
    x = 574,654.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.