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Finding the Fourth Proportional to 335,234.55, 502,298.80 and 193,199.12

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Solution

The fourth proportional to 335,234.55, 502,298.80 and 193,199.12 is: 289,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,234.55 : 502,298.80 = 193,199.12 : x
  2. Step 2: Convert to fraction form
    335,234.55/502,298.80 = 193,199.12/x
  3. Step 3: Cross multiply
    335,234.55x = 502,298.80 × 193,199.12
  4. Step 4: Simplify right side
    335,234.55x = 97,043,685,171.06
  5. Step 5: Solve for x
    x = 97,043,685,171.06/335,234.55
  6. Step 6: Final answer
    x = 289,479.97

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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.