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Finding the Fourth Proportional to 374,133.20, 561,199.80 and 368,228.30

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Solution

The fourth proportional to 374,133.20, 561,199.80 and 368,228.30 is: 552,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,133.20 : 561,199.80 = 368,228.30 : x
  2. Step 2: Convert to fraction form
    374,133.20/561,199.80 = 368,228.30/x
  3. Step 3: Cross multiply
    374,133.20x = 561,199.80 × 368,228.30
  4. Step 4: Simplify right side
    374,133.20x = 206,649,648,314.34
  5. Step 5: Solve for x
    x = 206,649,648,314.34/374,133.20
  6. Step 6: Final answer
    x = 552,342.45

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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.