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Finding the Fourth Proportional to 655,497.74, 983,343.40 and 335,830.44

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Solution

The fourth proportional to 655,497.74, 983,343.40 and 335,830.44 is: 503,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,497.74 : 983,343.40 = 335,830.44 : x
  2. Step 2: Convert to fraction form
    655,497.74/983,343.40 = 335,830.44/x
  3. Step 3: Cross multiply
    655,497.74x = 983,343.40 × 335,830.44
  4. Step 4: Simplify right side
    655,497.74x = 330,236,646,693.10
  5. Step 5: Solve for x
    x = 330,236,646,693.10/655,497.74
  6. Step 6: Final answer
    x = 503,795.25

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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.