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Finding the Fourth Proportional to 335,798.78, 503,577.20 and 111,117.74

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Solution

The fourth proportional to 335,798.78, 503,577.20 and 111,117.74 is: 166,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,798.78 : 503,577.20 = 111,117.74 : x
  2. Step 2: Convert to fraction form
    335,798.78/503,577.20 = 111,117.74/x
  3. Step 3: Cross multiply
    335,798.78x = 503,577.20 × 111,117.74
  4. Step 4: Simplify right side
    335,798.78x = 55,956,360,379.53
  5. Step 5: Solve for x
    x = 55,956,360,379.53/335,798.78
  6. Step 6: Final answer
    x = 166,636.58

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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.