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Finding the Fourth Proportional to 531,822.32, 796,561.44 and 439,590.48

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Solution

The fourth proportional to 531,822.32, 796,561.44 and 439,590.48 is: 658,416.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,822.32 : 796,561.44 = 439,590.48 : x
  2. Step 2: Convert to fraction form
    531,822.32/796,561.44 = 439,590.48/x
  3. Step 3: Cross multiply
    531,822.32x = 796,561.44 × 439,590.48
  4. Step 4: Simplify right side
    531,822.32x = 350,160,825,759.09
  5. Step 5: Solve for x
    x = 350,160,825,759.09/531,822.32
  6. Step 6: Final answer
    x = 658,416.94

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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.