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Finding the Fourth Proportional to 633,997.89, 951,142.64 and 207,547.47

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Solution

The fourth proportional to 633,997.89, 951,142.64 and 207,547.47 is: 311,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,997.89 : 951,142.64 = 207,547.47 : x
  2. Step 2: Convert to fraction form
    633,997.89/951,142.64 = 207,547.47/x
  3. Step 3: Cross multiply
    633,997.89x = 951,142.64 × 207,547.47
  4. Step 4: Simplify right side
    633,997.89x = 197,407,250,454.23
  5. Step 5: Solve for x
    x = 197,407,250,454.23/633,997.89
  6. Step 6: Final answer
    x = 311,368.94

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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.