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Finding the Fourth Proportional to 561,523.04, 842,372.04 and 336,830.68

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Solution

The fourth proportional to 561,523.04, 842,372.04 and 336,830.68 is: 505,298.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,523.04 : 842,372.04 = 336,830.68 : x
  2. Step 2: Convert to fraction form
    561,523.04/842,372.04 = 336,830.68/x
  3. Step 3: Cross multiply
    561,523.04x = 842,372.04 × 336,830.68
  4. Step 4: Simplify right side
    561,523.04x = 283,736,747,046.19
  5. Step 5: Solve for x
    x = 283,736,747,046.19/561,523.04
  6. Step 6: Final answer
    x = 505,298.50

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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.