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Finding the Fourth Proportional to 637,393.52, 879,569.66 and 350,857.64

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Solution

The fourth proportional to 637,393.52, 879,569.66 and 350,857.64 is: 484,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,393.52 : 879,569.66 = 350,857.64 : x
  2. Step 2: Convert to fraction form
    637,393.52/879,569.66 = 350,857.64/x
  3. Step 3: Cross multiply
    637,393.52x = 879,569.66 × 350,857.64
  4. Step 4: Simplify right side
    637,393.52x = 308,603,735,123.20
  5. Step 5: Solve for x
    x = 308,603,735,123.20/637,393.52
  6. Step 6: Final answer
    x = 484,165.16

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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.