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Finding the Fourth Proportional to 695,739.30, 960,580.80 and 534,304.68

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Solution

The fourth proportional to 695,739.30, 960,580.80 and 534,304.68 is: 737,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,739.30 : 960,580.80 = 534,304.68 : x
  2. Step 2: Convert to fraction form
    695,739.30/960,580.80 = 534,304.68/x
  3. Step 3: Cross multiply
    695,739.30x = 960,580.80 × 534,304.68
  4. Step 4: Simplify right side
    695,739.30x = 513,242,816,958.14
  5. Step 5: Solve for x
    x = 513,242,816,958.14/695,739.30
  6. Step 6: Final answer
    x = 737,694.16

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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.