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Finding the Fourth Proportional to 536,538.06, 740,422.30 and 294,836.22

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Solution

The fourth proportional to 536,538.06, 740,422.30 and 294,836.22 is: 406,873.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,538.06 : 740,422.30 = 294,836.22 : x
  2. Step 2: Convert to fraction form
    536,538.06/740,422.30 = 294,836.22/x
  3. Step 3: Cross multiply
    536,538.06x = 740,422.30 × 294,836.22
  4. Step 4: Simplify right side
    536,538.06x = 218,303,312,135.71
  5. Step 5: Solve for x
    x = 218,303,312,135.71/536,538.06
  6. Step 6: Final answer
    x = 406,873.86

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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.