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Finding the Fourth Proportional to 635,130.72, 952,495.35 and 208,596.25

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Solution

The fourth proportional to 635,130.72, 952,495.35 and 208,596.25 is: 312,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,130.72 : 952,495.35 = 208,596.25 : x
  2. Step 2: Convert to fraction form
    635,130.72/952,495.35 = 208,596.25/x
  3. Step 3: Cross multiply
    635,130.72x = 952,495.35 × 208,596.25
  4. Step 4: Simplify right side
    635,130.72x = 198,686,958,152.44
  5. Step 5: Solve for x
    x = 198,686,958,152.44/635,130.72
  6. Step 6: Final answer
    x = 312,828.45

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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.