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Finding the Fourth Proportional to 433,539.60, 651,864.60 and 365,110.80

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Solution

The fourth proportional to 433,539.60, 651,864.60 and 365,110.80 is: 548,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,539.60 : 651,864.60 = 365,110.80 : x
  2. Step 2: Convert to fraction form
    433,539.60/651,864.60 = 365,110.80/x
  3. Step 3: Cross multiply
    433,539.60x = 651,864.60 × 365,110.80
  4. Step 4: Simplify right side
    433,539.60x = 238,002,805,597.68
  5. Step 5: Solve for x
    x = 238,002,805,597.68/433,539.60
  6. Step 6: Final answer
    x = 548,975.93

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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.