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Finding the Fourth Proportional to 583,465.80, 873,449.10 and 548,862.60

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Solution

The fourth proportional to 583,465.80, 873,449.10 and 548,862.60 is: 821,648.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,465.80 : 873,449.10 = 548,862.60 : x
  2. Step 2: Convert to fraction form
    583,465.80/873,449.10 = 548,862.60/x
  3. Step 3: Cross multiply
    583,465.80x = 873,449.10 × 548,862.60
  4. Step 4: Simplify right side
    583,465.80x = 479,403,543,993.66
  5. Step 5: Solve for x
    x = 479,403,543,993.66/583,465.80
  6. Step 6: Final answer
    x = 821,648.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.