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Finding the Fourth Proportional to 499,251.94, 688,967.67 and 272,897.44

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Solution

The fourth proportional to 499,251.94, 688,967.67 and 272,897.44 is: 376,598.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,251.94 : 688,967.67 = 272,897.44 : x
  2. Step 2: Convert to fraction form
    499,251.94/688,967.67 = 272,897.44/x
  3. Step 3: Cross multiply
    499,251.94x = 688,967.67 × 272,897.44
  4. Step 4: Simplify right side
    499,251.94x = 188,017,512,686.71
  5. Step 5: Solve for x
    x = 188,017,512,686.71/499,251.94
  6. Step 6: Final answer
    x = 376,598.46

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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.