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Finding the Fourth Proportional to 468,291.81, 702,007.15 and 168,699.12

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Solution

The fourth proportional to 468,291.81, 702,007.15 and 168,699.12 is: 252,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,291.81 : 702,007.15 = 168,699.12 : x
  2. Step 2: Convert to fraction form
    468,291.81/702,007.15 = 168,699.12/x
  3. Step 3: Cross multiply
    468,291.81x = 702,007.15 × 168,699.12
  4. Step 4: Simplify right side
    468,291.81x = 118,427,989,175.07
  5. Step 5: Solve for x
    x = 118,427,989,175.07/468,291.81
  6. Step 6: Final answer
    x = 252,893.58

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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.