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Finding the Fourth Proportional to 591,612.40, 887,515.80 and 254,814.40

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Solution

The fourth proportional to 591,612.40, 887,515.80 and 254,814.40 is: 382,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,612.40 : 887,515.80 = 254,814.40 : x
  2. Step 2: Convert to fraction form
    591,612.40/887,515.80 = 254,814.40/x
  3. Step 3: Cross multiply
    591,612.40x = 887,515.80 × 254,814.40
  4. Step 4: Simplify right side
    591,612.40x = 226,151,806,067.52
  5. Step 5: Solve for x
    x = 226,151,806,067.52/591,612.40
  6. Step 6: Final answer
    x = 382,263.47

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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.