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Finding the Fourth Proportional to 217,197.35, 299,554.63 and 152,879.50

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Solution

The fourth proportional to 217,197.35, 299,554.63 and 152,879.50 is: 210,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,197.35 : 299,554.63 = 152,879.50 : x
  2. Step 2: Convert to fraction form
    217,197.35/299,554.63 = 152,879.50/x
  3. Step 3: Cross multiply
    217,197.35x = 299,554.63 × 152,879.50
  4. Step 4: Simplify right side
    217,197.35x = 45,795,760,926.00
  5. Step 5: Solve for x
    x = 45,795,760,926.00/217,197.35
  6. Step 6: Final answer
    x = 210,848.62

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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.