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Finding the Fourth Proportional to 467,813.70, 701,720.55 and 290,666.70

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Solution

The fourth proportional to 467,813.70, 701,720.55 and 290,666.70 is: 436,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,813.70 : 701,720.55 = 290,666.70 : x
  2. Step 2: Convert to fraction form
    467,813.70/701,720.55 = 290,666.70/x
  3. Step 3: Cross multiply
    467,813.70x = 701,720.55 × 290,666.70
  4. Step 4: Simplify right side
    467,813.70x = 203,966,796,590.69
  5. Step 5: Solve for x
    x = 203,966,796,590.69/467,813.70
  6. Step 6: Final answer
    x = 436,000.05

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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.