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Finding the Fourth Proportional to 338,266.83, 507,033.47 and 169,380.01

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Solution

The fourth proportional to 338,266.83, 507,033.47 and 169,380.01 is: 253,886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,266.83 : 507,033.47 = 169,380.01 : x
  2. Step 2: Convert to fraction form
    338,266.83/507,033.47 = 169,380.01/x
  3. Step 3: Cross multiply
    338,266.83x = 507,033.47 × 169,380.01
  4. Step 4: Simplify right side
    338,266.83x = 85,881,335,276.18
  5. Step 5: Solve for x
    x = 85,881,335,276.18/338,266.83
  6. Step 6: Final answer
    x = 253,886.36

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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.