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Finding the Fourth Proportional to 528,056.22, 791,768.01 and 168,071.58

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Solution

The fourth proportional to 528,056.22, 791,768.01 and 168,071.58 is: 252,006.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,056.22 : 791,768.01 = 168,071.58 : x
  2. Step 2: Convert to fraction form
    528,056.22/791,768.01 = 168,071.58/x
  3. Step 3: Cross multiply
    528,056.22x = 791,768.01 × 168,071.58
  4. Step 4: Simplify right side
    528,056.22x = 133,073,695,634.96
  5. Step 5: Solve for x
    x = 133,073,695,634.96/528,056.22
  6. Step 6: Final answer
    x = 252,006.68

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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.