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Finding the Fourth Proportional to 370,823.76, 555,328.43 and 334,881.38

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Solution

The fourth proportional to 370,823.76, 555,328.43 and 334,881.38 is: 501,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,823.76 : 555,328.43 = 334,881.38 : x
  2. Step 2: Convert to fraction form
    370,823.76/555,328.43 = 334,881.38/x
  3. Step 3: Cross multiply
    370,823.76x = 555,328.43 × 334,881.38
  4. Step 4: Simplify right side
    370,823.76x = 185,969,146,540.58
  5. Step 5: Solve for x
    x = 185,969,146,540.58/370,823.76
  6. Step 6: Final answer
    x = 501,502.78

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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.