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Finding the Fourth Proportional to 368,700.66, 508,810.41 and 207,524.43

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Solution

The fourth proportional to 368,700.66, 508,810.41 and 207,524.43 is: 286,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,700.66 : 508,810.41 = 207,524.43 : x
  2. Step 2: Convert to fraction form
    368,700.66/508,810.41 = 207,524.43/x
  3. Step 3: Cross multiply
    368,700.66x = 508,810.41 × 207,524.43
  4. Step 4: Simplify right side
    368,700.66x = 105,590,590,313.32
  5. Step 5: Solve for x
    x = 105,590,590,313.32/368,700.66
  6. Step 6: Final answer
    x = 286,385.68

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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.