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Finding the Fourth Proportional to 468,104.40, 700,777.98 and 290,038.86

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Solution

The fourth proportional to 468,104.40, 700,777.98 and 290,038.86 is: 434,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,104.40 : 700,777.98 = 290,038.86 : x
  2. Step 2: Convert to fraction form
    468,104.40/700,777.98 = 290,038.86/x
  3. Step 3: Cross multiply
    468,104.40x = 700,777.98 × 290,038.86
  4. Step 4: Simplify right side
    468,104.40x = 203,252,846,432.30
  5. Step 5: Solve for x
    x = 203,252,846,432.30/468,104.40
  6. Step 6: Final answer
    x = 434,204.09

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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.