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Finding the Fourth Proportional to 579,614.04, 869,424.06 and 263,850.12

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Solution

The fourth proportional to 579,614.04, 869,424.06 and 263,850.12 is: 395,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,614.04 : 869,424.06 = 263,850.12 : x
  2. Step 2: Convert to fraction form
    579,614.04/869,424.06 = 263,850.12/x
  3. Step 3: Cross multiply
    579,614.04x = 869,424.06 × 263,850.12
  4. Step 4: Simplify right side
    579,614.04x = 229,397,642,561.89
  5. Step 5: Solve for x
    x = 229,397,642,561.89/579,614.04
  6. Step 6: Final answer
    x = 395,776.55

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Half scale
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Double scale
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Similar ratio
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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.