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Finding the Fourth Proportional to 608,812.53, 913,071.16 and 253,632.79

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Solution

The fourth proportional to 608,812.53, 913,071.16 and 253,632.79 is: 380,387.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,812.53 : 913,071.16 = 253,632.79 : x
  2. Step 2: Convert to fraction form
    608,812.53/913,071.16 = 253,632.79/x
  3. Step 3: Cross multiply
    608,812.53x = 913,071.16 × 253,632.79
  4. Step 4: Simplify right side
    608,812.53x = 231,584,789,092.39
  5. Step 5: Solve for x
    x = 231,584,789,092.39/608,812.53
  6. Step 6: Final answer
    x = 380,387.69

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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.