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Finding the Fourth Proportional to 491,792.80, 735,939.60 and 341,327.20

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Solution

The fourth proportional to 491,792.80, 735,939.60 and 341,327.20 is: 510,776.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,792.80 : 735,939.60 = 341,327.20 : x
  2. Step 2: Convert to fraction form
    491,792.80/735,939.60 = 341,327.20/x
  3. Step 3: Cross multiply
    491,792.80x = 735,939.60 × 341,327.20
  4. Step 4: Simplify right side
    491,792.80x = 251,196,203,037.12
  5. Step 5: Solve for x
    x = 251,196,203,037.12/491,792.80
  6. Step 6: Final answer
    x = 510,776.50

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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.