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Finding the Fourth Proportional to 354,119.00, 488,669.99 and 192,970.60

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Solution

The fourth proportional to 354,119.00, 488,669.99 and 192,970.60 is: 266,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,119.00 : 488,669.99 = 192,970.60 : x
  2. Step 2: Convert to fraction form
    354,119.00/488,669.99 = 192,970.60/x
  3. Step 3: Cross multiply
    354,119.00x = 488,669.99 × 192,970.60
  4. Step 4: Simplify right side
    354,119.00x = 94,298,938,985.77
  5. Step 5: Solve for x
    x = 94,298,938,985.77/354,119.00
  6. Step 6: Final answer
    x = 266,291.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.