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Finding the Fourth Proportional to 557,235.59, 835,678.34 and 237,384.11

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Solution

The fourth proportional to 557,235.59, 835,678.34 and 237,384.11 is: 356,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,235.59 : 835,678.34 = 237,384.11 : x
  2. Step 2: Convert to fraction form
    557,235.59/835,678.34 = 237,384.11/x
  3. Step 3: Cross multiply
    557,235.59x = 835,678.34 × 237,384.11
  4. Step 4: Simplify right side
    557,235.59x = 198,376,753,621.87
  5. Step 5: Solve for x
    x = 198,376,753,621.87/557,235.59
  6. Step 6: Final answer
    x = 356,001.59

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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.