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Finding the Fourth Proportional to 374,297.46, 561,279.42 and 107,994.69

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Solution

The fourth proportional to 374,297.46, 561,279.42 and 107,994.69 is: 161,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,297.46 : 561,279.42 = 107,994.69 : x
  2. Step 2: Convert to fraction form
    374,297.46/561,279.42 = 107,994.69/x
  3. Step 3: Cross multiply
    374,297.46x = 561,279.42 × 107,994.69
  4. Step 4: Simplify right side
    374,297.46x = 60,615,196,966.28
  5. Step 5: Solve for x
    x = 60,615,196,966.28/374,297.46
  6. Step 6: Final answer
    x = 161,943.92

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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.