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Finding the Fourth Proportional to 433,542.40, 650,313.60 and 363,558.40

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Solution

The fourth proportional to 433,542.40, 650,313.60 and 363,558.40 is: 545,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,542.40 : 650,313.60 = 363,558.40 : x
  2. Step 2: Convert to fraction form
    433,542.40/650,313.60 = 363,558.40/x
  3. Step 3: Cross multiply
    433,542.40x = 650,313.60 × 363,558.40
  4. Step 4: Simplify right side
    433,542.40x = 236,426,971,914.24
  5. Step 5: Solve for x
    x = 236,426,971,914.24/433,542.40
  6. Step 6: Final answer
    x = 545,337.60

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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.