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Finding the Fourth Proportional to 374,712.49, 562,007.16 and 161,422.54

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Solution

The fourth proportional to 374,712.49, 562,007.16 and 161,422.54 is: 242,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,712.49 : 562,007.16 = 161,422.54 : x
  2. Step 2: Convert to fraction form
    374,712.49/562,007.16 = 161,422.54/x
  3. Step 3: Cross multiply
    374,712.49x = 562,007.16 × 161,422.54
  4. Step 4: Simplify right side
    374,712.49x = 90,720,623,265.39
  5. Step 5: Solve for x
    x = 90,720,623,265.39/374,712.49
  6. Step 6: Final answer
    x = 242,107.28

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1.5x scale

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.