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Finding the Fourth Proportional to 591,359.70, 830,003.10 and 591,359.70

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Solution

The fourth proportional to 591,359.70, 830,003.10 and 591,359.70 is: 830,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,359.70 : 830,003.10 = 591,359.70 : x
  2. Step 2: Convert to fraction form
    591,359.70/830,003.10 = 591,359.70/x
  3. Step 3: Cross multiply
    591,359.70x = 830,003.10 × 591,359.70
  4. Step 4: Simplify right side
    591,359.70x = 490,830,384,215.07
  5. Step 5: Solve for x
    x = 490,830,384,215.07/591,359.70
  6. Step 6: Final answer
    x = 830,003.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.