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Finding the Fourth Proportional to 606,559.80, 909,839.70 and 577,035.30

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Solution

The fourth proportional to 606,559.80, 909,839.70 and 577,035.30 is: 865,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,559.80 : 909,839.70 = 577,035.30 : x
  2. Step 2: Convert to fraction form
    606,559.80/909,839.70 = 577,035.30/x
  3. Step 3: Cross multiply
    606,559.80x = 909,839.70 × 577,035.30
  4. Step 4: Simplify right side
    606,559.80x = 525,009,624,241.41
  5. Step 5: Solve for x
    x = 525,009,624,241.41/606,559.80
  6. Step 6: Final answer
    x = 865,552.95

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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.