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Finding the Fourth Proportional to 539,756.40, 809,634.60 and 524,204.40

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Solution

The fourth proportional to 539,756.40, 809,634.60 and 524,204.40 is: 786,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,756.40 : 809,634.60 = 524,204.40 : x
  2. Step 2: Convert to fraction form
    539,756.40/809,634.60 = 524,204.40/x
  3. Step 3: Cross multiply
    539,756.40x = 809,634.60 × 524,204.40
  4. Step 4: Simplify right side
    539,756.40x = 424,414,019,712.24
  5. Step 5: Solve for x
    x = 424,414,019,712.24/539,756.40
  6. Step 6: Final answer
    x = 786,306.60

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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.