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Finding the Fourth Proportional to 602,975.43, 903,280.68 and 349,723.80

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Solution

The fourth proportional to 602,975.43, 903,280.68 and 349,723.80 is: 523,899.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,975.43 : 903,280.68 = 349,723.80 : x
  2. Step 2: Convert to fraction form
    602,975.43/903,280.68 = 349,723.80/x
  3. Step 3: Cross multiply
    602,975.43x = 903,280.68 × 349,723.80
  4. Step 4: Simplify right side
    602,975.43x = 315,898,751,876.18
  5. Step 5: Solve for x
    x = 315,898,751,876.18/602,975.43
  6. Step 6: Final answer
    x = 523,899.87

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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.