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Finding the Fourth Proportional to 496,553.80, 744,830.70 and 384,452.97

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Solution

The fourth proportional to 496,553.80, 744,830.70 and 384,452.97 is: 576,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,553.80 : 744,830.70 = 384,452.97 : x
  2. Step 2: Convert to fraction form
    496,553.80/744,830.70 = 384,452.97/x
  3. Step 3: Cross multiply
    496,553.80x = 744,830.70 × 384,452.97
  4. Step 4: Simplify right side
    496,553.80x = 286,352,371,038.03
  5. Step 5: Solve for x
    x = 286,352,371,038.03/496,553.80
  6. Step 6: Final answer
    x = 576,679.45

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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.