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Finding the Fourth Proportional to 671,060, 926,069.28 and 369,260.48

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Solution

The fourth proportional to 671,060, 926,069.28 and 369,260.48 is: 509,583.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,060 : 926,069.28 = 369,260.48 : x
  2. Step 2: Convert to fraction form
    671,060/926,069.28 = 369,260.48/x
  3. Step 3: Cross multiply
    671,060x = 926,069.28 × 369,260.48
  4. Step 4: Simplify right side
    671,060x = 341,960,786,846.05
  5. Step 5: Solve for x
    x = 341,960,786,846.05/671,060
  6. Step 6: Final answer
    x = 509,583.03

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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.