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Finding the Fourth Proportional to 607,774.84, 838,594.56 and 349,635.94

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Solution

The fourth proportional to 607,774.84, 838,594.56 and 349,635.94 is: 482,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,774.84 : 838,594.56 = 349,635.94 : x
  2. Step 2: Convert to fraction form
    607,774.84/838,594.56 = 349,635.94/x
  3. Step 3: Cross multiply
    607,774.84x = 838,594.56 × 349,635.94
  4. Step 4: Simplify right side
    607,774.84x = 293,202,797,264.49
  5. Step 5: Solve for x
    x = 293,202,797,264.49/607,774.84
  6. Step 6: Final answer
    x = 482,420.10

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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.