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Finding the Fourth Proportional to 374,439.80, 561,659.70 and 232,722.20

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Solution

The fourth proportional to 374,439.80, 561,659.70 and 232,722.20 is: 349,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,439.80 : 561,659.70 = 232,722.20 : x
  2. Step 2: Convert to fraction form
    374,439.80/561,659.70 = 232,722.20/x
  3. Step 3: Cross multiply
    374,439.80x = 561,659.70 × 232,722.20
  4. Step 4: Simplify right side
    374,439.80x = 130,710,681,035.34
  5. Step 5: Solve for x
    x = 130,710,681,035.34/374,439.80
  6. Step 6: Final answer
    x = 349,083.30

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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.