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Finding the Fourth Proportional to 335,139.84, 502,603.20 and 110,458.40

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Solution

The fourth proportional to 335,139.84, 502,603.20 and 110,458.40 is: 165,652.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,139.84 : 502,603.20 = 110,458.40 : x
  2. Step 2: Convert to fraction form
    335,139.84/502,603.20 = 110,458.40/x
  3. Step 3: Cross multiply
    335,139.84x = 502,603.20 × 110,458.40
  4. Step 4: Simplify right side
    335,139.84x = 55,516,745,306.88
  5. Step 5: Solve for x
    x = 55,516,745,306.88/335,139.84
  6. Step 6: Final answer
    x = 165,652.48

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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.