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Finding the Fourth Proportional to 695,998.30, 960,940.38 and 534,564.76

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Solution

The fourth proportional to 695,998.30, 960,940.38 and 534,564.76 is: 738,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,998.30 : 960,940.38 = 534,564.76 : x
  2. Step 2: Convert to fraction form
    695,998.30/960,940.38 = 534,564.76/x
  3. Step 3: Cross multiply
    695,998.30x = 960,940.38 × 534,564.76
  4. Step 4: Simplify right side
    695,998.30x = 513,684,863,609.01
  5. Step 5: Solve for x
    x = 513,684,863,609.01/695,998.30
  6. Step 6: Final answer
    x = 738,054.77

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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.