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Finding the Fourth Proportional to 351,470.01, 485,027.75 and 190,325.07

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Solution

The fourth proportional to 351,470.01, 485,027.75 and 190,325.07 is: 262,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,470.01 : 485,027.75 = 190,325.07 : x
  2. Step 2: Convert to fraction form
    351,470.01/485,027.75 = 190,325.07/x
  3. Step 3: Cross multiply
    351,470.01x = 485,027.75 × 190,325.07
  4. Step 4: Simplify right side
    351,470.01x = 92,312,938,045.55
  5. Step 5: Solve for x
    x = 92,312,938,045.55/351,470.01
  6. Step 6: Final answer
    x = 262,648.13

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1.5x scale

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.