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Finding the Fourth Proportional to 475,164.48, 655,478.28 and 293,818.44

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Solution

The fourth proportional to 475,164.48, 655,478.28 and 293,818.44 is: 405,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,164.48 : 655,478.28 = 293,818.44 : x
  2. Step 2: Convert to fraction form
    475,164.48/655,478.28 = 293,818.44/x
  3. Step 3: Cross multiply
    475,164.48x = 655,478.28 × 293,818.44
  4. Step 4: Simplify right side
    475,164.48x = 192,591,605,683.48
  5. Step 5: Solve for x
    x = 192,591,605,683.48/475,164.48
  6. Step 6: Final answer
    x = 405,315.66

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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.