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Finding the Fourth Proportional to 607,257.84, 837,952.20 and 352,559.28

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Solution

The fourth proportional to 607,257.84, 837,952.20 and 352,559.28 is: 486,494.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,257.84 : 837,952.20 = 352,559.28 : x
  2. Step 2: Convert to fraction form
    607,257.84/837,952.20 = 352,559.28/x
  3. Step 3: Cross multiply
    607,257.84x = 837,952.20 × 352,559.28
  4. Step 4: Simplify right side
    607,257.84x = 295,427,824,306.42
  5. Step 5: Solve for x
    x = 295,427,824,306.42/607,257.84
  6. Step 6: Final answer
    x = 486,494.87

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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.