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Finding the Fourth Proportional to 504,934.80, 757,693.80 and 189,423.60

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Solution

The fourth proportional to 504,934.80, 757,693.80 and 189,423.60 is: 284,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,934.80 : 757,693.80 = 189,423.60 : x
  2. Step 2: Convert to fraction form
    504,934.80/757,693.80 = 189,423.60/x
  3. Step 3: Cross multiply
    504,934.80x = 757,693.80 × 189,423.60
  4. Step 4: Simplify right side
    504,934.80x = 143,525,087,293.68
  5. Step 5: Solve for x
    x = 143,525,087,293.68/504,934.80
  6. Step 6: Final answer
    x = 284,244.79

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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.