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Finding the Fourth Proportional to 436,580.00, 654,978.99 and 152,274.64

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Solution

The fourth proportional to 436,580.00, 654,978.99 and 152,274.64 is: 228,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,580.00 : 654,978.99 = 152,274.64 : x
  2. Step 2: Convert to fraction form
    436,580.00/654,978.99 = 152,274.64/x
  3. Step 3: Cross multiply
    436,580.00x = 654,978.99 × 152,274.64
  4. Step 4: Simplify right side
    436,580.00x = 99,736,688,508.01
  5. Step 5: Solve for x
    x = 99,736,688,508.01/436,580.00
  6. Step 6: Final answer
    x = 228,449.97

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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.