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Finding the Fourth Proportional to 637,563.92, 879,838.14 and 351,083.32

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Solution

The fourth proportional to 637,563.92, 879,838.14 and 351,083.32 is: 484,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,563.92 : 879,838.14 = 351,083.32 : x
  2. Step 2: Convert to fraction form
    637,563.92/879,838.14 = 351,083.32/x
  3. Step 3: Cross multiply
    637,563.92x = 879,838.14 × 351,083.32
  4. Step 4: Simplify right side
    637,563.92x = 308,896,495,253.83
  5. Step 5: Solve for x
    x = 308,896,495,253.83/637,563.92
  6. Step 6: Final answer
    x = 484,494.94

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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.