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Finding the Fourth Proportional to 559,998.70, 839,922.45 and 223,287.10

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Solution

The fourth proportional to 559,998.70, 839,922.45 and 223,287.10 is: 334,900.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,998.70 : 839,922.45 = 223,287.10 : x
  2. Step 2: Convert to fraction form
    559,998.70/839,922.45 = 223,287.10/x
  3. Step 3: Cross multiply
    559,998.70x = 839,922.45 × 223,287.10
  4. Step 4: Simplify right side
    559,998.70x = 187,543,848,085.40
  5. Step 5: Solve for x
    x = 187,543,848,085.40/559,998.70
  6. Step 6: Final answer
    x = 334,900.51

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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.