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Finding the Fourth Proportional to 370,818.34, 555,490.51 and 180,724.37

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Solution

The fourth proportional to 370,818.34, 555,490.51 and 180,724.37 is: 270,727.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,818.34 : 555,490.51 = 180,724.37 : x
  2. Step 2: Convert to fraction form
    370,818.34/555,490.51 = 180,724.37/x
  3. Step 3: Cross multiply
    370,818.34x = 555,490.51 × 180,724.37
  4. Step 4: Simplify right side
    370,818.34x = 100,390,669,231.47
  5. Step 5: Solve for x
    x = 100,390,669,231.47/370,818.34
  6. Step 6: Final answer
    x = 270,727.36

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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.