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Finding the Fourth Proportional to 374,080.05, 561,120.08 and 187,024.05

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Solution

The fourth proportional to 374,080.05, 561,120.08 and 187,024.05 is: 280,536.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,080.05 : 561,120.08 = 187,024.05 : x
  2. Step 2: Convert to fraction form
    374,080.05/561,120.08 = 187,024.05/x
  3. Step 3: Cross multiply
    374,080.05x = 561,120.08 × 187,024.05
  4. Step 4: Simplify right side
    374,080.05x = 104,942,948,962.80
  5. Step 5: Solve for x
    x = 104,942,948,962.80/374,080.05
  6. Step 6: Final answer
    x = 280,536.08

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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.