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Finding the Fourth Proportional to 369,497.33, 510,077.97 and 216,514.29

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Solution

The fourth proportional to 369,497.33, 510,077.97 and 216,514.29 is: 298,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,497.33 : 510,077.97 = 216,514.29 : x
  2. Step 2: Convert to fraction form
    369,497.33/510,077.97 = 216,514.29/x
  3. Step 3: Cross multiply
    369,497.33x = 510,077.97 × 216,514.29
  4. Step 4: Simplify right side
    369,497.33x = 110,439,170,833.40
  5. Step 5: Solve for x
    x = 110,439,170,833.40/369,497.33
  6. Step 6: Final answer
    x = 298,890.31

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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.