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Finding the Fourth Proportional to 371,276.57, 556,825.64 and 171,404.98

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Solution

The fourth proportional to 371,276.57, 556,825.64 and 171,404.98 is: 257,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,276.57 : 556,825.64 = 171,404.98 : x
  2. Step 2: Convert to fraction form
    371,276.57/556,825.64 = 171,404.98/x
  3. Step 3: Cross multiply
    371,276.57x = 556,825.64 × 171,404.98
  4. Step 4: Simplify right side
    371,276.57x = 95,442,685,438.60
  5. Step 5: Solve for x
    x = 95,442,685,438.60/371,276.57
  6. Step 6: Final answer
    x = 257,066.27

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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.