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Finding the Fourth Proportional to 338,291.22, 507,373.34 and 169,766.31

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Solution

The fourth proportional to 338,291.22, 507,373.34 and 169,766.31 is: 254,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,291.22 : 507,373.34 = 169,766.31 : x
  2. Step 2: Convert to fraction form
    338,291.22/507,373.34 = 169,766.31/x
  3. Step 3: Cross multiply
    338,291.22x = 507,373.34 × 169,766.31
  4. Step 4: Simplify right side
    338,291.22x = 86,134,898,875.34
  5. Step 5: Solve for x
    x = 86,134,898,875.34/338,291.22
  6. Step 6: Final answer
    x = 254,617.60

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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.