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Finding the Fourth Proportional to 722,091.48, 996,496.74 and 415,998.96

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Solution

The fourth proportional to 722,091.48, 996,496.74 and 415,998.96 is: 574,084.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,091.48 : 996,496.74 = 415,998.96 : x
  2. Step 2: Convert to fraction form
    722,091.48/996,496.74 = 415,998.96/x
  3. Step 3: Cross multiply
    722,091.48x = 996,496.74 × 415,998.96
  4. Step 4: Simplify right side
    722,091.48x = 414,541,607,483.39
  5. Step 5: Solve for x
    x = 414,541,607,483.39/722,091.48
  6. Step 6: Final answer
    x = 574,084.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.