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Finding the Fourth Proportional to 374,017.20, 561,025.80 and 262,042.80

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Solution

The fourth proportional to 374,017.20, 561,025.80 and 262,042.80 is: 393,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,017.20 : 561,025.80 = 262,042.80 : x
  2. Step 2: Convert to fraction form
    374,017.20/561,025.80 = 262,042.80/x
  3. Step 3: Cross multiply
    374,017.20x = 561,025.80 × 262,042.80
  4. Step 4: Simplify right side
    374,017.20x = 147,012,771,504.24
  5. Step 5: Solve for x
    x = 147,012,771,504.24/374,017.20
  6. Step 6: Final answer
    x = 393,064.20

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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.