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Finding the Fourth Proportional to 657,552.96, 985,974.05 and 230,978.61

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Solution

The fourth proportional to 657,552.96, 985,974.05 and 230,978.61 is: 346,343.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,552.96 : 985,974.05 = 230,978.61 : x
  2. Step 2: Convert to fraction form
    657,552.96/985,974.05 = 230,978.61/x
  3. Step 3: Cross multiply
    657,552.96x = 985,974.05 × 230,978.61
  4. Step 4: Simplify right side
    657,552.96x = 227,738,916,142.52
  5. Step 5: Solve for x
    x = 227,738,916,142.52/657,552.96
  6. Step 6: Final answer
    x = 346,343.08

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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.