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Finding the Fourth Proportional to 383,875.70, 575,813.55 and 117,634.10

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Solution

The fourth proportional to 383,875.70, 575,813.55 and 117,634.10 is: 176,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,875.70 : 575,813.55 = 117,634.10 : x
  2. Step 2: Convert to fraction form
    383,875.70/575,813.55 = 117,634.10/x
  3. Step 3: Cross multiply
    383,875.70x = 575,813.55 × 117,634.10
  4. Step 4: Simplify right side
    383,875.70x = 67,735,308,722.06
  5. Step 5: Solve for x
    x = 67,735,308,722.06/383,875.70
  6. Step 6: Final answer
    x = 176,451.15

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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.