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Finding the Fourth Proportional to 360,395.06, 543,025.25 and 298,590.44

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Solution

The fourth proportional to 360,395.06, 543,025.25 and 298,590.44 is: 449,901.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,395.06 : 543,025.25 = 298,590.44 : x
  2. Step 2: Convert to fraction form
    360,395.06/543,025.25 = 298,590.44/x
  3. Step 3: Cross multiply
    360,395.06x = 543,025.25 × 298,590.44
  4. Step 4: Simplify right side
    360,395.06x = 162,142,145,240.25
  5. Step 5: Solve for x
    x = 162,142,145,240.25/360,395.06
  6. Step 6: Final answer
    x = 449,901.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.