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Finding the Fourth Proportional to 475,153.39, 655,463.10 and 293,807.35

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Solution

The fourth proportional to 475,153.39, 655,463.10 and 293,807.35 is: 405,300.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,153.39 : 655,463.10 = 293,807.35 : x
  2. Step 2: Convert to fraction form
    475,153.39/655,463.10 = 293,807.35/x
  3. Step 3: Cross multiply
    475,153.39x = 655,463.10 × 293,807.35
  4. Step 4: Simplify right side
    475,153.39x = 192,579,876,433.79
  5. Step 5: Solve for x
    x = 192,579,876,433.79/475,153.39
  6. Step 6: Final answer
    x = 405,300.44

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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.