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Finding the Fourth Proportional to 343,661.59, 474,255.64 and 190,700.38

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Solution

The fourth proportional to 343,661.59, 474,255.64 and 190,700.38 is: 263,167.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,661.59 : 474,255.64 = 190,700.38 : x
  2. Step 2: Convert to fraction form
    343,661.59/474,255.64 = 190,700.38/x
  3. Step 3: Cross multiply
    343,661.59x = 474,255.64 × 190,700.38
  4. Step 4: Simplify right side
    343,661.59x = 90,440,730,765.14
  5. Step 5: Solve for x
    x = 90,440,730,765.14/343,661.59
  6. Step 6: Final answer
    x = 263,167.99

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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.