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Finding the Fourth Proportional to 368,522.99, 508,555.77 and 207,377.95

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Solution

The fourth proportional to 368,522.99, 508,555.77 and 207,377.95 is: 286,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,522.99 : 508,555.77 = 207,377.95 : x
  2. Step 2: Convert to fraction form
    368,522.99/508,555.77 = 207,377.95/x
  3. Step 3: Cross multiply
    368,522.99x = 508,555.77 × 207,377.95
  4. Step 4: Simplify right side
    368,522.99x = 105,463,253,043.27
  5. Step 5: Solve for x
    x = 105,463,253,043.27/368,522.99
  6. Step 6: Final answer
    x = 286,178.22

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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.