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Finding the Fourth Proportional to 376,824.80, 565,237.20 and 374,200.40

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Solution

The fourth proportional to 376,824.80, 565,237.20 and 374,200.40 is: 561,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,824.80 : 565,237.20 = 374,200.40 : x
  2. Step 2: Convert to fraction form
    376,824.80/565,237.20 = 374,200.40/x
  3. Step 3: Cross multiply
    376,824.80x = 565,237.20 × 374,200.40
  4. Step 4: Simplify right side
    376,824.80x = 211,511,986,334.88
  5. Step 5: Solve for x
    x = 211,511,986,334.88/376,824.80
  6. Step 6: Final answer
    x = 561,300.60

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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.