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Finding the Fourth Proportional to 383,750.40, 575,626.98 and 117,509.82

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Solution

The fourth proportional to 383,750.40, 575,626.98 and 117,509.82 is: 176,265.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,750.40 : 575,626.98 = 117,509.82 : x
  2. Step 2: Convert to fraction form
    383,750.40/575,626.98 = 117,509.82/x
  3. Step 3: Cross multiply
    383,750.40x = 575,626.98 × 117,509.82
  4. Step 4: Simplify right side
    383,750.40x = 67,641,822,806.94
  5. Step 5: Solve for x
    x = 67,641,822,806.94/383,750.40
  6. Step 6: Final answer
    x = 176,265.15

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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.