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Finding the Fourth Proportional to 335,235.34, 502,520.85 and 157,424.05

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Solution

The fourth proportional to 335,235.34, 502,520.85 and 157,424.05 is: 235,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,235.34 : 502,520.85 = 157,424.05 : x
  2. Step 2: Convert to fraction form
    335,235.34/502,520.85 = 157,424.05/x
  3. Step 3: Cross multiply
    335,235.34x = 502,520.85 × 157,424.05
  4. Step 4: Simplify right side
    335,235.34x = 79,108,867,416.44
  5. Step 5: Solve for x
    x = 79,108,867,416.44/335,235.34
  6. Step 6: Final answer
    x = 235,980.10

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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.