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Finding the Fourth Proportional to 535,693.65, 739,266.39 and 293,998.70

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Solution

The fourth proportional to 535,693.65, 739,266.39 and 293,998.70 is: 405,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,693.65 : 739,266.39 = 293,998.70 : x
  2. Step 2: Convert to fraction form
    535,693.65/739,266.39 = 293,998.70/x
  3. Step 3: Cross multiply
    535,693.65x = 739,266.39 × 293,998.70
  4. Step 4: Simplify right side
    535,693.65x = 217,343,353,917.36
  5. Step 5: Solve for x
    x = 217,343,353,917.36/535,693.65
  6. Step 6: Final answer
    x = 405,723.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.