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Finding the Fourth Proportional to 343,832.80, 474,465.48 and 190,858.96

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Solution

The fourth proportional to 343,832.80, 474,465.48 and 190,858.96 is: 263,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,832.80 : 474,465.48 = 190,858.96 : x
  2. Step 2: Convert to fraction form
    343,832.80/474,465.48 = 190,858.96/x
  3. Step 3: Cross multiply
    343,832.80x = 474,465.48 × 190,858.96
  4. Step 4: Simplify right side
    343,832.80x = 90,555,988,068.70
  5. Step 5: Solve for x
    x = 90,555,988,068.70/343,832.80
  6. Step 6: Final answer
    x = 263,372.16

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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.