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Finding the Fourth Proportional to 476,804.16, 658,001.34 and 261,958.14

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Solution

The fourth proportional to 476,804.16, 658,001.34 and 261,958.14 is: 361,508.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,804.16 : 658,001.34 = 261,958.14 : x
  2. Step 2: Convert to fraction form
    476,804.16/658,001.34 = 261,958.14/x
  3. Step 3: Cross multiply
    476,804.16x = 658,001.34 × 261,958.14
  4. Step 4: Simplify right side
    476,804.16x = 172,368,807,143.91
  5. Step 5: Solve for x
    x = 172,368,807,143.91/476,804.16
  6. Step 6: Final answer
    x = 361,508.61

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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.