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Finding the Fourth Proportional to 383,935.82, 575,987.76 and 117,717.10

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Solution

The fourth proportional to 383,935.82, 575,987.76 and 117,717.10 is: 176,601.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,935.82 : 575,987.76 = 117,717.10 : x
  2. Step 2: Convert to fraction form
    383,935.82/575,987.76 = 117,717.10/x
  3. Step 3: Cross multiply
    383,935.82x = 575,987.76 × 117,717.10
  4. Step 4: Simplify right side
    383,935.82x = 67,803,607,302.73
  5. Step 5: Solve for x
    x = 67,803,607,302.73/383,935.82
  6. Step 6: Final answer
    x = 176,601.41

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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.