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Finding the Fourth Proportional to 671,207.24, 926,056.98 and 380,770.61

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Solution

The fourth proportional to 671,207.24, 926,056.98 and 380,770.61 is: 525,344.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,207.24 : 926,056.98 = 380,770.61 : x
  2. Step 2: Convert to fraction form
    671,207.24/926,056.98 = 380,770.61/x
  3. Step 3: Cross multiply
    671,207.24x = 926,056.98 × 380,770.61
  4. Step 4: Simplify right side
    671,207.24x = 352,615,276,539.07
  5. Step 5: Solve for x
    x = 352,615,276,539.07/671,207.24
  6. Step 6: Final answer
    x = 525,344.87

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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.