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Finding the Fourth Proportional to 536,538.56, 740,422.99 and 294,836.72

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Solution

The fourth proportional to 536,538.56, 740,422.99 and 294,836.72 is: 406,874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,538.56 : 740,422.99 = 294,836.72 : x
  2. Step 2: Convert to fraction form
    536,538.56/740,422.99 = 294,836.72/x
  3. Step 3: Cross multiply
    536,538.56x = 740,422.99 × 294,836.72
  4. Step 4: Simplify right side
    536,538.56x = 218,303,885,784.19
  5. Step 5: Solve for x
    x = 218,303,885,784.19/536,538.56
  6. Step 6: Final answer
    x = 406,874.55

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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.