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Finding the Fourth Proportional to 468,329.68, 702,494.55 and 113,343.76

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Solution

The fourth proportional to 468,329.68, 702,494.55 and 113,343.76 is: 170,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,329.68 : 702,494.55 = 113,343.76 : x
  2. Step 2: Convert to fraction form
    468,329.68/702,494.55 = 113,343.76/x
  3. Step 3: Cross multiply
    468,329.68x = 702,494.55 × 113,343.76
  4. Step 4: Simplify right side
    468,329.68x = 79,623,373,676.51
  5. Step 5: Solve for x
    x = 79,623,373,676.51/468,329.68
  6. Step 6: Final answer
    x = 170,015.65

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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.