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Finding the Fourth Proportional to 401,692,098.69, 602,770,609.80 and 168,501,926.07

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Solution

The fourth proportional to 401,692,098.69, 602,770,609.80 and 168,501,926.07 is: 252,850,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,692,098.69 : 602,770,609.80 = 168,501,926.07 : x
  2. Step 2: Convert to fraction form
    401,692,098.69/602,770,609.80 = 168,501,926.07/x
  3. Step 3: Cross multiply
    401,692,098.69x = 602,770,609.80 × 168,501,926.07
  4. Step 4: Simplify right side
    401,692,098.69x = 101,568,008,729,688,400
  5. Step 5: Solve for x
    x = 101,568,008,729,688,400/401,692,098.69
  6. Step 6: Final answer
    x = 252,850,402.24

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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.