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Finding the Fourth Proportional to 379,804.96, 524,117.10 and 207,717.04

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Solution

The fourth proportional to 379,804.96, 524,117.10 and 207,717.04 is: 286,642.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,804.96 : 524,117.10 = 207,717.04 : x
  2. Step 2: Convert to fraction form
    379,804.96/524,117.10 = 207,717.04/x
  3. Step 3: Cross multiply
    379,804.96x = 524,117.10 × 207,717.04
  4. Step 4: Simplify right side
    379,804.96x = 108,868,052,625.38
  5. Step 5: Solve for x
    x = 108,868,052,625.38/379,804.96
  6. Step 6: Final answer
    x = 286,642.00

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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.