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Finding the Fourth Proportional to 558,010.70, 835,266.45 and 400,546.70

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Solution

The fourth proportional to 558,010.70, 835,266.45 and 400,546.70 is: 599,564.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,010.70 : 835,266.45 = 400,546.70 : x
  2. Step 2: Convert to fraction form
    558,010.70/835,266.45 = 400,546.70/x
  3. Step 3: Cross multiply
    558,010.70x = 835,266.45 × 400,546.70
  4. Step 4: Simplify right side
    558,010.70x = 334,563,220,168.22
  5. Step 5: Solve for x
    x = 334,563,220,168.22/558,010.70
  6. Step 6: Final answer
    x = 599,564.17

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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.