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Finding the Fourth Proportional to 535,185.15, 738,555.14 and 293,471.84

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Solution

The fourth proportional to 535,185.15, 738,555.14 and 293,471.84 is: 404,990.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,185.15 : 738,555.14 = 293,471.84 : x
  2. Step 2: Convert to fraction form
    535,185.15/738,555.14 = 293,471.84/x
  3. Step 3: Cross multiply
    535,185.15x = 738,555.14 × 293,471.84
  4. Step 4: Simplify right side
    535,185.15x = 216,745,135,877.26
  5. Step 5: Solve for x
    x = 216,745,135,877.26/535,185.15
  6. Step 6: Final answer
    x = 404,990.94

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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.