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Finding the Fourth Proportional to 360,039.06, 496,883.61 and 207,126.90

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Solution

The fourth proportional to 360,039.06, 496,883.61 and 207,126.90 is: 285,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,039.06 : 496,883.61 = 207,126.90 : x
  2. Step 2: Convert to fraction form
    360,039.06/496,883.61 = 207,126.90/x
  3. Step 3: Cross multiply
    360,039.06x = 496,883.61 × 207,126.90
  4. Step 4: Simplify right side
    360,039.06x = 102,917,961,800.11
  5. Step 5: Solve for x
    x = 102,917,961,800.11/360,039.06
  6. Step 6: Final answer
    x = 285,852.21

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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.