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Finding the Fourth Proportional to 341,310.20, 471,008.27 and 190,407.20

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Solution

The fourth proportional to 341,310.20, 471,008.27 and 190,407.20 is: 262,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,310.20 : 471,008.27 = 190,407.20 : x
  2. Step 2: Convert to fraction form
    341,310.20/471,008.27 = 190,407.20/x
  3. Step 3: Cross multiply
    341,310.20x = 471,008.27 × 190,407.20
  4. Step 4: Simplify right side
    341,310.20x = 89,683,362,560.47
  5. Step 5: Solve for x
    x = 89,683,362,560.47/341,310.20
  6. Step 6: Final answer
    x = 262,762.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.