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Finding the Fourth Proportional to 661,365.60, 992,059.92 and 188,063.52

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Solution

The fourth proportional to 661,365.60, 992,059.92 and 188,063.52 is: 282,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,365.60 : 992,059.92 = 188,063.52 : x
  2. Step 2: Convert to fraction form
    661,365.60/992,059.92 = 188,063.52/x
  3. Step 3: Cross multiply
    661,365.60x = 992,059.92 × 188,063.52
  4. Step 4: Simplify right side
    661,365.60x = 186,570,280,606.12
  5. Step 5: Solve for x
    x = 186,570,280,606.12/661,365.60
  6. Step 6: Final answer
    x = 282,098.56

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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.