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Finding the Fourth Proportional to 338,627.33, 507,951.71 and 125,448.60

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Solution

The fourth proportional to 338,627.33, 507,951.71 and 125,448.60 is: 188,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,627.33 : 507,951.71 = 125,448.60 : x
  2. Step 2: Convert to fraction form
    338,627.33/507,951.71 = 125,448.60/x
  3. Step 3: Cross multiply
    338,627.33x = 507,951.71 × 125,448.60
  4. Step 4: Simplify right side
    338,627.33x = 63,721,829,777.89
  5. Step 5: Solve for x
    x = 63,721,829,777.89/338,627.33
  6. Step 6: Final answer
    x = 188,176.86

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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.