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Finding the Fourth Proportional to 468,543.68, 702,670.09 and 168,985.34

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Solution

The fourth proportional to 468,543.68, 702,670.09 and 168,985.34 is: 253,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,543.68 : 702,670.09 = 168,985.34 : x
  2. Step 2: Convert to fraction form
    468,543.68/702,670.09 = 168,985.34/x
  3. Step 3: Cross multiply
    468,543.68x = 702,670.09 × 168,985.34
  4. Step 4: Simplify right side
    468,543.68x = 118,740,943,221.55
  5. Step 5: Solve for x
    x = 118,740,943,221.55/468,543.68
  6. Step 6: Final answer
    x = 253,425.56

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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.