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Finding the Fourth Proportional to 351,468.01, 485,024.98 and 190,323.06

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Solution

The fourth proportional to 351,468.01, 485,024.98 and 190,323.06 is: 262,645.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,468.01 : 485,024.98 = 190,323.06 : x
  2. Step 2: Convert to fraction form
    351,468.01/485,024.98 = 190,323.06/x
  3. Step 3: Cross multiply
    351,468.01x = 485,024.98 × 190,323.06
  4. Step 4: Simplify right side
    351,468.01x = 92,311,438,370.04
  5. Step 5: Solve for x
    x = 92,311,438,370.04/351,468.01
  6. Step 6: Final answer
    x = 262,645.35

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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.