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Finding the Fourth Proportional to 633,997.80, 951,142.50 and 207,547.38

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Solution

The fourth proportional to 633,997.80, 951,142.50 and 207,547.38 is: 311,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,997.80 : 951,142.50 = 207,547.38 : x
  2. Step 2: Convert to fraction form
    633,997.80/951,142.50 = 207,547.38/x
  3. Step 3: Cross multiply
    633,997.80x = 951,142.50 × 207,547.38
  4. Step 4: Simplify right side
    633,997.80x = 197,407,133,103.35
  5. Step 5: Solve for x
    x = 197,407,133,103.35/633,997.80
  6. Step 6: Final answer
    x = 311,368.80

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1.5x scale

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.