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Finding the Fourth Proportional to 550,767.69, 760,544.10 and 344,389.77

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Solution

The fourth proportional to 550,767.69, 760,544.10 and 344,389.77 is: 475,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,767.69 : 760,544.10 = 344,389.77 : x
  2. Step 2: Convert to fraction form
    550,767.69/760,544.10 = 344,389.77/x
  3. Step 3: Cross multiply
    550,767.69x = 760,544.10 × 344,389.77
  4. Step 4: Simplify right side
    550,767.69x = 261,923,607,673.86
  5. Step 5: Solve for x
    x = 261,923,607,673.86/550,767.69
  6. Step 6: Final answer
    x = 475,560.95

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1.5x scale

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.