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Finding the Fourth Proportional to 496,468.80, 744,703.20 and 457,588.80

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Solution

The fourth proportional to 496,468.80, 744,703.20 and 457,588.80 is: 686,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,468.80 : 744,703.20 = 457,588.80 : x
  2. Step 2: Convert to fraction form
    496,468.80/744,703.20 = 457,588.80/x
  3. Step 3: Cross multiply
    496,468.80x = 744,703.20 × 457,588.80
  4. Step 4: Simplify right side
    496,468.80x = 340,767,843,644.16
  5. Step 5: Solve for x
    x = 340,767,843,644.16/496,468.80
  6. Step 6: Final answer
    x = 686,383.20

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Similar ratio
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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.