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Finding the Fourth Proportional to 468,389.52, 702,581.04 and 113,405.40

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Solution

The fourth proportional to 468,389.52, 702,581.04 and 113,405.40 is: 170,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,389.52 : 702,581.04 = 113,405.40 : x
  2. Step 2: Convert to fraction form
    468,389.52/702,581.04 = 113,405.40/x
  3. Step 3: Cross multiply
    468,389.52x = 702,581.04 × 113,405.40
  4. Step 4: Simplify right side
    468,389.52x = 79,676,483,873.62
  5. Step 5: Solve for x
    x = 79,676,483,873.62/468,389.52
  6. Step 6: Final answer
    x = 170,107.32

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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.