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Finding the Fourth Proportional to 433,516.60, 651,830.10 and 365,087.80

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Solution

The fourth proportional to 433,516.60, 651,830.10 and 365,087.80 is: 548,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,516.60 : 651,830.10 = 365,087.80 : x
  2. Step 2: Convert to fraction form
    433,516.60/651,830.10 = 365,087.80/x
  3. Step 3: Cross multiply
    433,516.60x = 651,830.10 × 365,087.80
  4. Step 4: Simplify right side
    433,516.60x = 237,975,217,182.78
  5. Step 5: Solve for x
    x = 237,975,217,182.78/433,516.60
  6. Step 6: Final answer
    x = 548,941.42

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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.