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Finding the Fourth Proportional to 905,517, 1,250,663.22 and 603,186.12

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Solution

The fourth proportional to 905,517, 1,250,663.22 and 603,186.12 is: 833,096.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,517 : 1,250,663.22 = 603,186.12 : x
  2. Step 2: Convert to fraction form
    905,517/1,250,663.22 = 603,186.12/x
  3. Step 3: Cross multiply
    905,517x = 1,250,663.22 × 603,186.12
  4. Step 4: Simplify right side
    905,517x = 754,382,695,098.51
  5. Step 5: Solve for x
    x = 754,382,695,098.51/905,517
  6. Step 6: Final answer
    x = 833,096.12

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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.