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Finding the Fourth Proportional to 383,581.42, 575,351.27 and 117,341.93

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Solution

The fourth proportional to 383,581.42, 575,351.27 and 117,341.93 is: 176,006.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,581.42 : 575,351.27 = 117,341.93 : x
  2. Step 2: Convert to fraction form
    383,581.42/575,351.27 = 117,341.93/x
  3. Step 3: Cross multiply
    383,581.42x = 575,351.27 × 117,341.93
  4. Step 4: Simplify right side
    383,581.42x = 67,512,829,735.47
  5. Step 5: Solve for x
    x = 67,512,829,735.47/383,581.42
  6. Step 6: Final answer
    x = 176,006.52

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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.