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Finding the Fourth Proportional to 349,118.98, 523,190.30 and 188,848.92

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Solution

The fourth proportional to 349,118.98, 523,190.30 and 188,848.92 is: 283,009.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,118.98 : 523,190.30 = 188,848.92 : x
  2. Step 2: Convert to fraction form
    349,118.98/523,190.30 = 188,848.92/x
  3. Step 3: Cross multiply
    349,118.98x = 523,190.30 × 188,848.92
  4. Step 4: Simplify right side
    349,118.98x = 98,803,923,109.48
  5. Step 5: Solve for x
    x = 98,803,923,109.48/349,118.98
  6. Step 6: Final answer
    x = 283,009.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.