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Finding the Fourth Proportional to 628,183.91, 866,889.86 and 341,705.13

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Solution

The fourth proportional to 628,183.91, 866,889.86 and 341,705.13 is: 471,550.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,183.91 : 866,889.86 = 341,705.13 : x
  2. Step 2: Convert to fraction form
    628,183.91/866,889.86 = 341,705.13/x
  3. Step 3: Cross multiply
    628,183.91x = 866,889.86 × 341,705.13
  4. Step 4: Simplify right side
    628,183.91x = 296,220,710,598.46
  5. Step 5: Solve for x
    x = 296,220,710,598.46/628,183.91
  6. Step 6: Final answer
    x = 471,550.94

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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.