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Finding the Fourth Proportional to 468,599.07, 702,729.12 and 168,999.21

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Solution

The fourth proportional to 468,599.07, 702,729.12 and 168,999.21 is: 253,437.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,599.07 : 702,729.12 = 168,999.21 : x
  2. Step 2: Convert to fraction form
    468,599.07/702,729.12 = 168,999.21/x
  3. Step 3: Cross multiply
    468,599.07x = 702,729.12 × 168,999.21
  4. Step 4: Simplify right side
    468,599.07x = 118,760,665,807.12
  5. Step 5: Solve for x
    x = 118,760,665,807.12/468,599.07
  6. Step 6: Final answer
    x = 253,437.69

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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.