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Finding the Fourth Proportional to 338,281.46, 507,055.41 and 169,394.64

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Solution

The fourth proportional to 338,281.46, 507,055.41 and 169,394.64 is: 253,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,281.46 : 507,055.41 = 169,394.64 : x
  2. Step 2: Convert to fraction form
    338,281.46/507,055.41 = 169,394.64/x
  3. Step 3: Cross multiply
    338,281.46x = 507,055.41 × 169,394.64
  4. Step 4: Simplify right side
    338,281.46x = 85,892,468,637.00
  5. Step 5: Solve for x
    x = 85,892,468,637.00/338,281.46
  6. Step 6: Final answer
    x = 253,908.30

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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.