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Finding the Fourth Proportional to 535,568.40, 801,797.40 and 520,016.40

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Solution

The fourth proportional to 535,568.40, 801,797.40 and 520,016.40 is: 778,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,568.40 : 801,797.40 = 520,016.40 : x
  2. Step 2: Convert to fraction form
    535,568.40/801,797.40 = 520,016.40/x
  3. Step 3: Cross multiply
    535,568.40x = 801,797.40 × 520,016.40
  4. Step 4: Simplify right side
    535,568.40x = 416,947,797,477.36
  5. Step 5: Solve for x
    x = 416,947,797,477.36/535,568.40
  6. Step 6: Final answer
    x = 778,514.56

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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.