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Finding the Fourth Proportional to 582,593.80, 873,890.70 and 345,814.60

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Solution

The fourth proportional to 582,593.80, 873,890.70 and 345,814.60 is: 518,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,593.80 : 873,890.70 = 345,814.60 : x
  2. Step 2: Convert to fraction form
    582,593.80/873,890.70 = 345,814.60/x
  3. Step 3: Cross multiply
    582,593.80x = 873,890.70 × 345,814.60
  4. Step 4: Simplify right side
    582,593.80x = 302,204,162,864.22
  5. Step 5: Solve for x
    x = 302,204,162,864.22/582,593.80
  6. Step 6: Final answer
    x = 518,721.90

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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.