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Finding the Fourth Proportional to 504,941.80, 757,412.70 and 255,591.40

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Solution

The fourth proportional to 504,941.80, 757,412.70 and 255,591.40 is: 383,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,941.80 : 757,412.70 = 255,591.40 : x
  2. Step 2: Convert to fraction form
    504,941.80/757,412.70 = 255,591.40/x
  3. Step 3: Cross multiply
    504,941.80x = 757,412.70 × 255,591.40
  4. Step 4: Simplify right side
    504,941.80x = 193,588,172,370.78
  5. Step 5: Solve for x
    x = 193,588,172,370.78/504,941.80
  6. Step 6: Final answer
    x = 383,387.10

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Similar ratio
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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.