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Finding the Fourth Proportional to 597,625.80, 898,188.30 and 520,643.40

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Solution

The fourth proportional to 597,625.80, 898,188.30 and 520,643.40 is: 782,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,625.80 : 898,188.30 = 520,643.40 : x
  2. Step 2: Convert to fraction form
    597,625.80/898,188.30 = 520,643.40/x
  3. Step 3: Cross multiply
    597,625.80x = 898,188.30 × 520,643.40
  4. Step 4: Simplify right side
    597,625.80x = 467,635,810,352.22
  5. Step 5: Solve for x
    x = 467,635,810,352.22/597,625.80
  6. Step 6: Final answer
    x = 782,489.33

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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.