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Finding the Fourth Proportional to 496,960.20, 744,561.90 and 480,515.40

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Solution

The fourth proportional to 496,960.20, 744,561.90 and 480,515.40 is: 719,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,960.20 : 744,561.90 = 480,515.40 : x
  2. Step 2: Convert to fraction form
    496,960.20/744,561.90 = 480,515.40/x
  3. Step 3: Cross multiply
    496,960.20x = 744,561.90 × 480,515.40
  4. Step 4: Simplify right side
    496,960.20x = 357,773,459,203.26
  5. Step 5: Solve for x
    x = 357,773,459,203.26/496,960.20
  6. Step 6: Final answer
    x = 719,923.77

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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.