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Finding the Fourth Proportional to 317,543.93, 476,215.51 and 104,276.69

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Solution

The fourth proportional to 317,543.93, 476,215.51 and 104,276.69 is: 156,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,543.93 : 476,215.51 = 104,276.69 : x
  2. Step 2: Convert to fraction form
    317,543.93/476,215.51 = 104,276.69/x
  3. Step 3: Cross multiply
    317,543.93x = 476,215.51 × 104,276.69
  4. Step 4: Simplify right side
    317,543.93x = 49,658,174,989.08
  5. Step 5: Solve for x
    x = 49,658,174,989.08/317,543.93
  6. Step 6: Final answer
    x = 156,382.06

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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.