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Finding the Fourth Proportional to 343,758.64, 474,383.32 and 190,798.15

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Solution

The fourth proportional to 343,758.64, 474,383.32 and 190,798.15 is: 263,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,758.64 : 474,383.32 = 190,798.15 : x
  2. Step 2: Convert to fraction form
    343,758.64/474,383.32 = 190,798.15/x
  3. Step 3: Cross multiply
    343,758.64x = 474,383.32 × 190,798.15
  4. Step 4: Simplify right side
    343,758.64x = 90,511,459,846.86
  5. Step 5: Solve for x
    x = 90,511,459,846.86/343,758.64
  6. Step 6: Final answer
    x = 263,299.45

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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.