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Finding the Fourth Proportional to 535,598.40, 801,842.40 and 520,046.40

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Solution

The fourth proportional to 535,598.40, 801,842.40 and 520,046.40 is: 778,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,598.40 : 801,842.40 = 520,046.40 : x
  2. Step 2: Convert to fraction form
    535,598.40/801,842.40 = 520,046.40/x
  3. Step 3: Cross multiply
    535,598.40x = 801,842.40 × 520,046.40
  4. Step 4: Simplify right side
    535,598.40x = 416,995,253,487.36
  5. Step 5: Solve for x
    x = 416,995,253,487.36/535,598.40
  6. Step 6: Final answer
    x = 778,559.56

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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.