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Finding the Fourth Proportional to 335,234.84, 502,520.11 and 157,423.55

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Solution

The fourth proportional to 335,234.84, 502,520.11 and 157,423.55 is: 235,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,234.84 : 502,520.11 = 157,423.55 : x
  2. Step 2: Convert to fraction form
    335,234.84/502,520.11 = 157,423.55/x
  3. Step 3: Cross multiply
    335,234.84x = 502,520.11 × 157,423.55
  4. Step 4: Simplify right side
    335,234.84x = 79,108,499,662.59
  5. Step 5: Solve for x
    x = 79,108,499,662.59/335,234.84
  6. Step 6: Final answer
    x = 235,979.35

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1.5x scale

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.