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Finding the Fourth Proportional to 317,701.60, 476,552.40 and 303,704.80

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Solution

The fourth proportional to 317,701.60, 476,552.40 and 303,704.80 is: 455,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,701.60 : 476,552.40 = 303,704.80 : x
  2. Step 2: Convert to fraction form
    317,701.60/476,552.40 = 303,704.80/x
  3. Step 3: Cross multiply
    317,701.60x = 476,552.40 × 303,704.80
  4. Step 4: Simplify right side
    317,701.60x = 144,731,251,331.52
  5. Step 5: Solve for x
    x = 144,731,251,331.52/317,701.60
  6. Step 6: Final answer
    x = 455,557.20

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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.