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Finding the Fourth Proportional to 857,846.88, 1,183,054.08 and 535,586.88

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Solution

The fourth proportional to 857,846.88, 1,183,054.08 and 535,586.88 is: 738,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,846.88 : 1,183,054.08 = 535,586.88 : x
  2. Step 2: Convert to fraction form
    857,846.88/1,183,054.08 = 535,586.88/x
  3. Step 3: Cross multiply
    857,846.88x = 1,183,054.08 × 535,586.88
  4. Step 4: Simplify right side
    857,846.88x = 633,628,243,578.47
  5. Step 5: Solve for x
    x = 633,628,243,578.47/857,846.88
  6. Step 6: Final answer
    x = 738,626.27

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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.