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Finding the Fourth Proportional to 476,099.70, 714,149.55 and 456,416.70

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Solution

The fourth proportional to 476,099.70, 714,149.55 and 456,416.70 is: 684,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,099.70 : 714,149.55 = 456,416.70 : x
  2. Step 2: Convert to fraction form
    476,099.70/714,149.55 = 456,416.70/x
  3. Step 3: Cross multiply
    476,099.70x = 714,149.55 × 456,416.70
  4. Step 4: Simplify right side
    476,099.70x = 325,949,780,917.49
  5. Step 5: Solve for x
    x = 325,949,780,917.49/476,099.70
  6. Step 6: Final answer
    x = 684,625.05

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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.