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Finding the Fourth Proportional to 343,142.64, 473,565.60 and 190,218.24

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Solution

The fourth proportional to 343,142.64, 473,565.60 and 190,218.24 is: 262,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,142.64 : 473,565.60 = 190,218.24 : x
  2. Step 2: Convert to fraction form
    343,142.64/473,565.60 = 190,218.24/x
  3. Step 3: Cross multiply
    343,142.64x = 473,565.60 × 190,218.24
  4. Step 4: Simplify right side
    343,142.64x = 90,080,814,956.54
  5. Step 5: Solve for x
    x = 90,080,814,956.54/343,142.64
  6. Step 6: Final answer
    x = 262,517.11

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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.