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Finding the Fourth Proportional to 606,643.80, 909,965.70 and 598,770.60

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Solution

The fourth proportional to 606,643.80, 909,965.70 and 598,770.60 is: 898,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,643.80 : 909,965.70 = 598,770.60 : x
  2. Step 2: Convert to fraction form
    606,643.80/909,965.70 = 598,770.60/x
  3. Step 3: Cross multiply
    606,643.80x = 909,965.70 × 598,770.60
  4. Step 4: Simplify right side
    606,643.80x = 544,860,708,168.42
  5. Step 5: Solve for x
    x = 544,860,708,168.42/606,643.80
  6. Step 6: Final answer
    x = 898,155.90

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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.