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Finding the Fourth Proportional to 679,244.83, 937,367.57 and 373,349.50

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Solution

The fourth proportional to 679,244.83, 937,367.57 and 373,349.50 is: 515,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,244.83 : 937,367.57 = 373,349.50 : x
  2. Step 2: Convert to fraction form
    679,244.83/937,367.57 = 373,349.50/x
  3. Step 3: Cross multiply
    679,244.83x = 937,367.57 × 373,349.50
  4. Step 4: Simplify right side
    679,244.83x = 349,965,712,165.67
  5. Step 5: Solve for x
    x = 349,965,712,165.67/679,244.83
  6. Step 6: Final answer
    x = 515,227.64

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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.