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Finding the Fourth Proportional to 342,051.48, 472,033.98 and 191,158.20

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Solution

The fourth proportional to 342,051.48, 472,033.98 and 191,158.20 is: 263,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,051.48 : 472,033.98 = 191,158.20 : x
  2. Step 2: Convert to fraction form
    342,051.48/472,033.98 = 191,158.20/x
  3. Step 3: Cross multiply
    342,051.48x = 472,033.98 × 191,158.20
  4. Step 4: Simplify right side
    342,051.48x = 90,233,165,955.64
  5. Step 5: Solve for x
    x = 90,233,165,955.64/342,051.48
  6. Step 6: Final answer
    x = 263,799.96

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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.