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Finding the Fourth Proportional to 384,453.74, 576,803.98 and 184,788.60

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Solution

The fourth proportional to 384,453.74, 576,803.98 and 184,788.60 is: 277,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,453.74 : 576,803.98 = 184,788.60 : x
  2. Step 2: Convert to fraction form
    384,453.74/576,803.98 = 184,788.60/x
  3. Step 3: Cross multiply
    384,453.74x = 576,803.98 × 184,788.60
  4. Step 4: Simplify right side
    384,453.74x = 106,586,799,938.63
  5. Step 5: Solve for x
    x = 106,586,799,938.63/384,453.74
  6. Step 6: Final answer
    x = 277,242.20

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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.