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Finding the Fourth Proportional to 335,561.32, 503,341.84 and 122,345.20

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Solution

The fourth proportional to 335,561.32, 503,341.84 and 122,345.20 is: 183,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,561.32 : 503,341.84 = 122,345.20 : x
  2. Step 2: Convert to fraction form
    335,561.32/503,341.84 = 122,345.20/x
  3. Step 3: Cross multiply
    335,561.32x = 503,341.84 × 122,345.20
  4. Step 4: Simplify right side
    335,561.32x = 61,581,458,083.17
  5. Step 5: Solve for x
    x = 61,581,458,083.17/335,561.32
  6. Step 6: Final answer
    x = 183,517.75

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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.