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Finding the Fourth Proportional to 369,586.40, 510,029.97 and 199,820.52

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Solution

The fourth proportional to 369,586.40, 510,029.97 and 199,820.52 is: 275,752.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,586.40 : 510,029.97 = 199,820.52 : x
  2. Step 2: Convert to fraction form
    369,586.40/510,029.97 = 199,820.52/x
  3. Step 3: Cross multiply
    369,586.40x = 510,029.97 × 199,820.52
  4. Step 4: Simplify right side
    369,586.40x = 101,914,453,071.66
  5. Step 5: Solve for x
    x = 101,914,453,071.66/369,586.40
  6. Step 6: Final answer
    x = 275,752.72

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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.