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Finding the Fourth Proportional to 576,683.86, 864,960.12 and 155,926.92

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Solution

The fourth proportional to 576,683.86, 864,960.12 and 155,926.92 is: 233,872.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,683.86 : 864,960.12 = 155,926.92 : x
  2. Step 2: Convert to fraction form
    576,683.86/864,960.12 = 155,926.92/x
  3. Step 3: Cross multiply
    576,683.86x = 864,960.12 × 155,926.92
  4. Step 4: Simplify right side
    576,683.86x = 134,870,567,434.43
  5. Step 5: Solve for x
    x = 134,870,567,434.43/576,683.86
  6. Step 6: Final answer
    x = 233,872.62

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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.