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Finding the Fourth Proportional to 551,240.39, 758,952.07 and 470,343.26

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Solution

The fourth proportional to 551,240.39, 758,952.07 and 470,343.26 is: 647,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,240.39 : 758,952.07 = 470,343.26 : x
  2. Step 2: Convert to fraction form
    551,240.39/758,952.07 = 470,343.26/x
  3. Step 3: Cross multiply
    551,240.39x = 758,952.07 × 470,343.26
  4. Step 4: Simplify right side
    551,240.39x = 356,967,985,816.93
  5. Step 5: Solve for x
    x = 356,967,985,816.93/551,240.39
  6. Step 6: Final answer
    x = 647,572.27

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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.