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Finding the Fourth Proportional to 582,484.80, 873,727.20 and 161,764.80

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Solution

The fourth proportional to 582,484.80, 873,727.20 and 161,764.80 is: 242,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,484.80 : 873,727.20 = 161,764.80 : x
  2. Step 2: Convert to fraction form
    582,484.80/873,727.20 = 161,764.80/x
  3. Step 3: Cross multiply
    582,484.80x = 873,727.20 × 161,764.80
  4. Step 4: Simplify right side
    582,484.80x = 141,338,305,762.56
  5. Step 5: Solve for x
    x = 141,338,305,762.56/582,484.80
  6. Step 6: Final answer
    x = 242,647.20

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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.