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Finding the Fourth Proportional to 190,622.88, 285,483.44 and 165,526.54

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Solution

The fourth proportional to 190,622.88, 285,483.44 and 165,526.54 is: 247,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,622.88 : 285,483.44 = 165,526.54 : x
  2. Step 2: Convert to fraction form
    190,622.88/285,483.44 = 165,526.54/x
  3. Step 3: Cross multiply
    190,622.88x = 285,483.44 × 165,526.54
  4. Step 4: Simplify right side
    190,622.88x = 47,255,085,750.61
  5. Step 5: Solve for x
    x = 47,255,085,750.61/190,622.88
  6. Step 6: Final answer
    x = 247,898.29

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1.5x scale

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.