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Finding the Fourth Proportional to 443,526.30, 664,305.30 and 384,477.30

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Solution

The fourth proportional to 443,526.30, 664,305.30 and 384,477.30 is: 575,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,526.30 : 664,305.30 = 384,477.30 : x
  2. Step 2: Convert to fraction form
    443,526.30/664,305.30 = 384,477.30/x
  3. Step 3: Cross multiply
    443,526.30x = 664,305.30 × 384,477.30
  4. Step 4: Simplify right side
    443,526.30x = 255,410,308,119.69
  5. Step 5: Solve for x
    x = 255,410,308,119.69/443,526.30
  6. Step 6: Final answer
    x = 575,862.83

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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.