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Finding the Fourth Proportional to 634,840, 952,499.76 and 335,308.48

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Solution

The fourth proportional to 634,840, 952,499.76 and 335,308.48 is: 503,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,840 : 952,499.76 = 335,308.48 : x
  2. Step 2: Convert to fraction form
    634,840/952,499.76 = 335,308.48/x
  3. Step 3: Cross multiply
    634,840x = 952,499.76 × 335,308.48
  4. Step 4: Simplify right side
    634,840x = 319,381,246,725.97
  5. Step 5: Solve for x
    x = 319,381,246,725.97/634,840
  6. Step 6: Final answer
    x = 503,089.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.