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Finding the Fourth Proportional to 341,368.90, 471,079.29 and 190,462.66

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Solution

The fourth proportional to 341,368.90, 471,079.29 and 190,462.66 is: 262,833.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,368.90 : 471,079.29 = 190,462.66 : x
  2. Step 2: Convert to fraction form
    341,368.90/471,079.29 = 190,462.66/x
  3. Step 3: Cross multiply
    341,368.90x = 471,079.29 × 190,462.66
  4. Step 4: Simplify right side
    341,368.90x = 89,723,014,644.31
  5. Step 5: Solve for x
    x = 89,723,014,644.31/341,368.90
  6. Step 6: Final answer
    x = 262,833.01

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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.