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Finding the Fourth Proportional to 504,043.20, 756,064.80 and 479,548.80

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Solution

The fourth proportional to 504,043.20, 756,064.80 and 479,548.80 is: 719,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,043.20 : 756,064.80 = 479,548.80 : x
  2. Step 2: Convert to fraction form
    504,043.20/756,064.80 = 479,548.80/x
  3. Step 3: Cross multiply
    504,043.20x = 756,064.80 × 479,548.80
  4. Step 4: Simplify right side
    504,043.20x = 362,569,967,562.24
  5. Step 5: Solve for x
    x = 362,569,967,562.24/504,043.20
  6. Step 6: Final answer
    x = 719,323.20

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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.