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Finding the Fourth Proportional to 518,568.96, 715,683 and 327,573.12

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Solution

The fourth proportional to 518,568.96, 715,683 and 327,573.12 is: 452,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,568.96 : 715,683 = 327,573.12 : x
  2. Step 2: Convert to fraction form
    518,568.96/715,683 = 327,573.12/x
  3. Step 3: Cross multiply
    518,568.96x = 715,683 × 327,573.12
  4. Step 4: Simplify right side
    518,568.96x = 234,438,513,240.96
  5. Step 5: Solve for x
    x = 234,438,513,240.96/518,568.96
  6. Step 6: Final answer
    x = 452,087.44

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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.