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Finding the Fourth Proportional to 433,050.30, 649,672.65 and 255,465.90

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Solution

The fourth proportional to 433,050.30, 649,672.65 and 255,465.90 is: 383,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,050.30 : 649,672.65 = 255,465.90 : x
  2. Step 2: Convert to fraction form
    433,050.30/649,672.65 = 255,465.90/x
  3. Step 3: Cross multiply
    433,050.30x = 649,672.65 × 255,465.90
  4. Step 4: Simplify right side
    433,050.30x = 165,969,208,237.64
  5. Step 5: Solve for x
    x = 165,969,208,237.64/433,050.30
  6. Step 6: Final answer
    x = 383,256.19

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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.