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Finding the Fourth Proportional to 579,606.04, 869,412.06 and 263,842.12

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Solution

The fourth proportional to 579,606.04, 869,412.06 and 263,842.12 is: 395,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,606.04 : 869,412.06 = 263,842.12 : x
  2. Step 2: Convert to fraction form
    579,606.04/869,412.06 = 263,842.12/x
  3. Step 3: Cross multiply
    579,606.04x = 869,412.06 × 263,842.12
  4. Step 4: Simplify right side
    579,606.04x = 229,387,521,063.97
  5. Step 5: Solve for x
    x = 229,387,521,063.97/579,606.04
  6. Step 6: Final answer
    x = 395,764.55

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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.