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Finding the Fourth Proportional to 374,365.80, 561,901.05 and 197,000.10

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Solution

The fourth proportional to 374,365.80, 561,901.05 and 197,000.10 is: 295,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,365.80 : 561,901.05 = 197,000.10 : x
  2. Step 2: Convert to fraction form
    374,365.80/561,901.05 = 197,000.10/x
  3. Step 3: Cross multiply
    374,365.80x = 561,901.05 × 197,000.10
  4. Step 4: Simplify right side
    374,365.80x = 110,694,563,040.11
  5. Step 5: Solve for x
    x = 110,694,563,040.11/374,365.80
  6. Step 6: Final answer
    x = 295,685.56

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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.