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Finding the Fourth Proportional to 317,671.07, 473,704.30 and 273,581.15

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Solution

The fourth proportional to 317,671.07, 473,704.30 and 273,581.15 is: 407,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,671.07 : 473,704.30 = 273,581.15 : x
  2. Step 2: Convert to fraction form
    317,671.07/473,704.30 = 273,581.15/x
  3. Step 3: Cross multiply
    317,671.07x = 473,704.30 × 273,581.15
  4. Step 4: Simplify right side
    317,671.07x = 129,596,565,127.40
  5. Step 5: Solve for x
    x = 129,596,565,127.40/317,671.07
  6. Step 6: Final answer
    x = 407,958.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.