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Finding the Fourth Proportional to 504,261.60, 756,392.40 and 171,837.60

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Solution

The fourth proportional to 504,261.60, 756,392.40 and 171,837.60 is: 257,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,261.60 : 756,392.40 = 171,837.60 : x
  2. Step 2: Convert to fraction form
    504,261.60/756,392.40 = 171,837.60/x
  3. Step 3: Cross multiply
    504,261.60x = 756,392.40 × 171,837.60
  4. Step 4: Simplify right side
    504,261.60x = 129,976,654,674.24
  5. Step 5: Solve for x
    x = 129,976,654,674.24/504,261.60
  6. Step 6: Final answer
    x = 257,756.40

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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.