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Finding the Fourth Proportional to 679,164.54, 937,201.71 and 373,234.35

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Solution

The fourth proportional to 679,164.54, 937,201.71 and 373,234.35 is: 515,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,164.54 : 937,201.71 = 373,234.35 : x
  2. Step 2: Convert to fraction form
    679,164.54/937,201.71 = 373,234.35/x
  3. Step 3: Cross multiply
    679,164.54x = 937,201.71 × 373,234.35
  4. Step 4: Simplify right side
    679,164.54x = 349,795,871,050.74
  5. Step 5: Solve for x
    x = 349,795,871,050.74/679,164.54
  6. Step 6: Final answer
    x = 515,038.48

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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.