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Finding the Fourth Proportional to 695,393.22, 959,336.96 and 419,597.24

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Solution

The fourth proportional to 695,393.22, 959,336.96 and 419,597.24 is: 578,859.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,393.22 : 959,336.96 = 419,597.24 : x
  2. Step 2: Convert to fraction form
    695,393.22/959,336.96 = 419,597.24/x
  3. Step 3: Cross multiply
    695,393.22x = 959,336.96 × 419,597.24
  4. Step 4: Simplify right side
    695,393.22x = 402,535,139,597.00
  5. Step 5: Solve for x
    x = 402,535,139,597.00/695,393.22
  6. Step 6: Final answer
    x = 578,859.74

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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.