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Finding the Fourth Proportional to 374,141.08, 515,265.06 and 350,127.28

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Solution

The fourth proportional to 374,141.08, 515,265.06 and 350,127.28 is: 482,193.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,141.08 : 515,265.06 = 350,127.28 : x
  2. Step 2: Convert to fraction form
    374,141.08/515,265.06 = 350,127.28/x
  3. Step 3: Cross multiply
    374,141.08x = 515,265.06 × 350,127.28
  4. Step 4: Simplify right side
    374,141.08x = 180,408,353,936.84
  5. Step 5: Solve for x
    x = 180,408,353,936.84/374,141.08
  6. Step 6: Final answer
    x = 482,193.39

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1.5x scale

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.