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Finding the Fourth Proportional to 377,606.68, 521,111.10 and 207,847.96

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Solution

The fourth proportional to 377,606.68, 521,111.10 and 207,847.96 is: 286,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,606.68 : 521,111.10 = 207,847.96 : x
  2. Step 2: Convert to fraction form
    377,606.68/521,111.10 = 207,847.96/x
  3. Step 3: Cross multiply
    377,606.68x = 521,111.10 × 207,847.96
  4. Step 4: Simplify right side
    377,606.68x = 108,311,879,068.36
  5. Step 5: Solve for x
    x = 108,311,879,068.36/377,606.68
  6. Step 6: Final answer
    x = 286,837.83

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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.