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Finding the Fourth Proportional to 496,285.20, 744,427.80 and 461,293.20

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Solution

The fourth proportional to 496,285.20, 744,427.80 and 461,293.20 is: 691,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,285.20 : 744,427.80 = 461,293.20 : x
  2. Step 2: Convert to fraction form
    496,285.20/744,427.80 = 461,293.20/x
  3. Step 3: Cross multiply
    496,285.20x = 744,427.80 × 461,293.20
  4. Step 4: Simplify right side
    496,285.20x = 343,399,482,030.96
  5. Step 5: Solve for x
    x = 343,399,482,030.96/496,285.20
  6. Step 6: Final answer
    x = 691,939.80

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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.