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Finding the Fourth Proportional to 808,596.43, 1,115,870.84 and 446,035.57

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Solution

The fourth proportional to 808,596.43, 1,115,870.84 and 446,035.57 is: 615,533.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,596.43 : 1,115,870.84 = 446,035.57 : x
  2. Step 2: Convert to fraction form
    808,596.43/1,115,870.84 = 446,035.57/x
  3. Step 3: Cross multiply
    808,596.43x = 1,115,870.84 × 446,035.57
  4. Step 4: Simplify right side
    808,596.43x = 497,718,086,165.78
  5. Step 5: Solve for x
    x = 497,718,086,165.78/808,596.43
  6. Step 6: Final answer
    x = 615,533.37

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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.