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Finding the Fourth Proportional to 637,188.66, 879,301.98 and 350,702.60

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Solution

The fourth proportional to 637,188.66, 879,301.98 and 350,702.60 is: 483,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,188.66 : 879,301.98 = 350,702.60 : x
  2. Step 2: Convert to fraction form
    637,188.66/879,301.98 = 350,702.60/x
  3. Step 3: Cross multiply
    637,188.66x = 879,301.98 × 350,702.60
  4. Step 4: Simplify right side
    637,188.66x = 308,373,486,174.64
  5. Step 5: Solve for x
    x = 308,373,486,174.64/637,188.66
  6. Step 6: Final answer
    x = 483,959.47

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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.