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Finding the Fourth Proportional to 535,601.40, 801,846.90 and 520,049.40

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Solution

The fourth proportional to 535,601.40, 801,846.90 and 520,049.40 is: 778,564.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,601.40 : 801,846.90 = 520,049.40 : x
  2. Step 2: Convert to fraction form
    535,601.40/801,846.90 = 520,049.40/x
  3. Step 3: Cross multiply
    535,601.40x = 801,846.90 × 520,049.40
  4. Step 4: Simplify right side
    535,601.40x = 416,999,999,236.86
  5. Step 5: Solve for x
    x = 416,999,999,236.86/535,601.40
  6. Step 6: Final answer
    x = 778,564.06

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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.