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Finding the Fourth Proportional to 297,511.98, 410,463.91 and 190,144.86

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Solution

The fourth proportional to 297,511.98, 410,463.91 and 190,144.86 is: 262,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,511.98 : 410,463.91 = 190,144.86 : x
  2. Step 2: Convert to fraction form
    297,511.98/410,463.91 = 190,144.86/x
  3. Step 3: Cross multiply
    297,511.98x = 410,463.91 × 190,144.86
  4. Step 4: Simplify right side
    297,511.98x = 78,047,602,702.00
  5. Step 5: Solve for x
    x = 78,047,602,702.00/297,511.98
  6. Step 6: Final answer
    x = 262,334.32

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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.