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Finding the Fourth Proportional to 635,210.91, 952,615.62 and 208,676.70

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Solution

The fourth proportional to 635,210.91, 952,615.62 and 208,676.70 is: 312,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,210.91 : 952,615.62 = 208,676.70 : x
  2. Step 2: Convert to fraction form
    635,210.91/952,615.62 = 208,676.70/x
  3. Step 3: Cross multiply
    635,210.91x = 952,615.62 × 208,676.70
  4. Step 4: Simplify right side
    635,210.91x = 198,788,683,950.05
  5. Step 5: Solve for x
    x = 198,788,683,950.05/635,210.91
  6. Step 6: Final answer
    x = 312,949.10

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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.