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Finding the Fourth Proportional to 369,644.46, 510,012.70 and 216,600.63

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Solution

The fourth proportional to 369,644.46, 510,012.70 and 216,600.63 is: 298,852.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,644.46 : 510,012.70 = 216,600.63 : x
  2. Step 2: Convert to fraction form
    369,644.46/510,012.70 = 216,600.63/x
  3. Step 3: Cross multiply
    369,644.46x = 510,012.70 × 216,600.63
  4. Step 4: Simplify right side
    369,644.46x = 110,469,072,128.00
  5. Step 5: Solve for x
    x = 110,469,072,128.00/369,644.46
  6. Step 6: Final answer
    x = 298,852.23

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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.