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Finding the Fourth Proportional to 383,599.13, 575,377.74 and 117,359.64

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Solution

The fourth proportional to 383,599.13, 575,377.74 and 117,359.64 is: 176,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,599.13 : 575,377.74 = 117,359.64 : x
  2. Step 2: Convert to fraction form
    383,599.13/575,377.74 = 117,359.64/x
  3. Step 3: Cross multiply
    383,599.13x = 575,377.74 × 117,359.64
  4. Step 4: Simplify right side
    383,599.13x = 67,526,124,430.41
  5. Step 5: Solve for x
    x = 67,526,124,430.41/383,599.13
  6. Step 6: Final answer
    x = 176,033.05

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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.