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Finding the Fourth Proportional to 341,987.01, 471,941.09 and 191,084.13

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Solution

The fourth proportional to 341,987.01, 471,941.09 and 191,084.13 is: 263,695.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,987.01 : 471,941.09 = 191,084.13 : x
  2. Step 2: Convert to fraction form
    341,987.01/471,941.09 = 191,084.13/x
  3. Step 3: Cross multiply
    341,987.01x = 471,941.09 × 191,084.13
  4. Step 4: Simplify right side
    341,987.01x = 90,180,451,638.48
  5. Step 5: Solve for x
    x = 90,180,451,638.48/341,987.01
  6. Step 6: Final answer
    x = 263,695.55

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1.5x scale

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.