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Finding the Fourth Proportional to 338,502.60, 507,608.10 and 169,957.80

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Solution

The fourth proportional to 338,502.60, 507,608.10 and 169,957.80 is: 254,863.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,502.60 : 507,608.10 = 169,957.80 : x
  2. Step 2: Convert to fraction form
    338,502.60/507,608.10 = 169,957.80/x
  3. Step 3: Cross multiply
    338,502.60x = 507,608.10 × 169,957.80
  4. Step 4: Simplify right side
    338,502.60x = 86,271,955,938.18
  5. Step 5: Solve for x
    x = 86,271,955,938.18/338,502.60
  6. Step 6: Final answer
    x = 254,863.50

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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.