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Finding the Fourth Proportional to 433,969.79, 598,949.28 and 259,528.60

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Solution

The fourth proportional to 433,969.79, 598,949.28 and 259,528.60 is: 358,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,969.79 : 598,949.28 = 259,528.60 : x
  2. Step 2: Convert to fraction form
    433,969.79/598,949.28 = 259,528.60/x
  3. Step 3: Cross multiply
    433,969.79x = 598,949.28 × 259,528.60
  4. Step 4: Simplify right side
    433,969.79x = 155,444,463,817.02
  5. Step 5: Solve for x
    x = 155,444,463,817.02/433,969.79
  6. Step 6: Final answer
    x = 358,191.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.