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Finding the Fourth Proportional to 338,677.77, 508,249.94 and 117,061.77

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Solution

The fourth proportional to 338,677.77, 508,249.94 and 117,061.77 is: 175,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,677.77 : 508,249.94 = 117,061.77 : x
  2. Step 2: Convert to fraction form
    338,677.77/508,249.94 = 117,061.77/x
  3. Step 3: Cross multiply
    338,677.77x = 508,249.94 × 117,061.77
  4. Step 4: Simplify right side
    338,677.77x = 59,496,636,993.49
  5. Step 5: Solve for x
    x = 59,496,636,993.49/338,677.77
  6. Step 6: Final answer
    x = 175,673.29

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1.5x scale

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.