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Finding the Fourth Proportional to 999,700.82, 1,379,552.82 and 570,119.24

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Solution

The fourth proportional to 999,700.82, 1,379,552.82 and 570,119.24 is: 786,744.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,700.82 : 1,379,552.82 = 570,119.24 : x
  2. Step 2: Convert to fraction form
    999,700.82/1,379,552.82 = 570,119.24/x
  3. Step 3: Cross multiply
    999,700.82x = 1,379,552.82 × 570,119.24
  4. Step 4: Simplify right side
    999,700.82x = 786,509,605,278.26
  5. Step 5: Solve for x
    x = 786,509,605,278.26/999,700.82
  6. Step 6: Final answer
    x = 786,744.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.