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Finding the Fourth Proportional to 356,404.88, 491,839.64 and 195,263.12

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Solution

The fourth proportional to 356,404.88, 491,839.64 and 195,263.12 is: 269,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,404.88 : 491,839.64 = 195,263.12 : x
  2. Step 2: Convert to fraction form
    356,404.88/491,839.64 = 195,263.12/x
  3. Step 3: Cross multiply
    356,404.88x = 491,839.64 × 195,263.12
  4. Step 4: Simplify right side
    356,404.88x = 96,038,142,646.08
  5. Step 5: Solve for x
    x = 96,038,142,646.08/356,404.88
  6. Step 6: Final answer
    x = 269,463.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.