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Finding the Fourth Proportional to 344,267.50, 475,078.88 and 191,305.22

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Solution

The fourth proportional to 344,267.50, 475,078.88 and 191,305.22 is: 263,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,267.50 : 475,078.88 = 191,305.22 : x
  2. Step 2: Convert to fraction form
    344,267.50/475,078.88 = 191,305.22/x
  3. Step 3: Cross multiply
    344,267.50x = 475,078.88 × 191,305.22
  4. Step 4: Simplify right side
    344,267.50x = 90,885,069,655.75
  5. Step 5: Solve for x
    x = 90,885,069,655.75/344,267.50
  6. Step 6: Final answer
    x = 263,995.50

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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.