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Finding the Fourth Proportional to 536,867.76, 740,858.62 and 295,148.56

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Solution

The fourth proportional to 536,867.76, 740,858.62 and 295,148.56 is: 407,294.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,867.76 : 740,858.62 = 295,148.56 : x
  2. Step 2: Convert to fraction form
    536,867.76/740,858.62 = 295,148.56/x
  3. Step 3: Cross multiply
    536,867.76x = 740,858.62 × 295,148.56
  4. Step 4: Simplify right side
    536,867.76x = 218,663,354,856.59
  5. Step 5: Solve for x
    x = 218,663,354,856.59/536,867.76
  6. Step 6: Final answer
    x = 407,294.63

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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.