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Finding the Fourth Proportional to 504,060.40, 756,090.60 and 457,404.40

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Solution

The fourth proportional to 504,060.40, 756,090.60 and 457,404.40 is: 686,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,060.40 : 756,090.60 = 457,404.40 : x
  2. Step 2: Convert to fraction form
    504,060.40/756,090.60 = 457,404.40/x
  3. Step 3: Cross multiply
    504,060.40x = 756,090.60 × 457,404.40
  4. Step 4: Simplify right side
    504,060.40x = 345,839,167,238.64
  5. Step 5: Solve for x
    x = 345,839,167,238.64/504,060.40
  6. Step 6: Final answer
    x = 686,106.60

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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.