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Finding the Fourth Proportional to 442,712.84, 610,867.44 and 249,093.68

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Solution

The fourth proportional to 442,712.84, 610,867.44 and 249,093.68 is: 343,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,712.84 : 610,867.44 = 249,093.68 : x
  2. Step 2: Convert to fraction form
    442,712.84/610,867.44 = 249,093.68/x
  3. Step 3: Cross multiply
    442,712.84x = 610,867.44 × 249,093.68
  4. Step 4: Simplify right side
    442,712.84x = 152,163,215,567.44
  5. Step 5: Solve for x
    x = 152,163,215,567.44/442,712.84
  6. Step 6: Final answer
    x = 343,706.36

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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.