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Finding the Fourth Proportional to 635,251.64, 952,675.15 and 208,688.45

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Solution

The fourth proportional to 635,251.64, 952,675.15 and 208,688.45 is: 312,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,251.64 : 952,675.15 = 208,688.45 : x
  2. Step 2: Convert to fraction form
    635,251.64/952,675.15 = 208,688.45/x
  3. Step 3: Cross multiply
    635,251.64x = 952,675.15 × 208,688.45
  4. Step 4: Simplify right side
    635,251.64x = 198,812,297,503.61
  5. Step 5: Solve for x
    x = 198,812,297,503.61/635,251.64
  6. Step 6: Final answer
    x = 312,966.21

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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.