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Finding the Fourth Proportional to 468,290.70, 702,440.10 and 113,305.05

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Solution

The fourth proportional to 468,290.70, 702,440.10 and 113,305.05 is: 169,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,290.70 : 702,440.10 = 113,305.05 : x
  2. Step 2: Convert to fraction form
    468,290.70/702,440.10 = 113,305.05/x
  3. Step 3: Cross multiply
    468,290.70x = 702,440.10 × 113,305.05
  4. Step 4: Simplify right side
    468,290.70x = 79,590,010,652.51
  5. Step 5: Solve for x
    x = 79,590,010,652.51/468,290.70
  6. Step 6: Final answer
    x = 169,958.55

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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.