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Finding the Fourth Proportional to 608,817.04, 913,077.92 and 253,637.30

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Solution

The fourth proportional to 608,817.04, 913,077.92 and 253,637.30 is: 380,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,817.04 : 913,077.92 = 253,637.30 : x
  2. Step 2: Convert to fraction form
    608,817.04/913,077.92 = 253,637.30/x
  3. Step 3: Cross multiply
    608,817.04x = 913,077.92 × 253,637.30
  4. Step 4: Simplify right side
    608,817.04x = 231,590,618,318.42
  5. Step 5: Solve for x
    x = 231,590,618,318.42/608,817.04
  6. Step 6: Final answer
    x = 380,394.44

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.