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Finding the Fourth Proportional to 611,612.87, 844,045.44 and 339,684.02

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Solution

The fourth proportional to 611,612.87, 844,045.44 and 339,684.02 is: 468,774.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,612.87 : 844,045.44 = 339,684.02 : x
  2. Step 2: Convert to fraction form
    611,612.87/844,045.44 = 339,684.02/x
  3. Step 3: Cross multiply
    611,612.87x = 844,045.44 × 339,684.02
  4. Step 4: Simplify right side
    611,612.87x = 286,708,750,868.89
  5. Step 5: Solve for x
    x = 286,708,750,868.89/611,612.87
  6. Step 6: Final answer
    x = 468,774.88

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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.