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Finding the Fourth Proportional to 536,382.56, 740,215.52 and 294,687.47

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Solution

The fourth proportional to 536,382.56, 740,215.52 and 294,687.47 is: 406,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,382.56 : 740,215.52 = 294,687.47 : x
  2. Step 2: Convert to fraction form
    536,382.56/740,215.52 = 294,687.47/x
  3. Step 3: Cross multiply
    536,382.56x = 740,215.52 × 294,687.47
  4. Step 4: Simplify right side
    536,382.56x = 218,132,233,669.02
  5. Step 5: Solve for x
    x = 218,132,233,669.02/536,382.56
  6. Step 6: Final answer
    x = 406,672.87

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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.