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Finding the Fourth Proportional to 608,889.90, 913,334.85 and 165,657.90

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Solution

The fourth proportional to 608,889.90, 913,334.85 and 165,657.90 is: 248,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,889.90 : 913,334.85 = 165,657.90 : x
  2. Step 2: Convert to fraction form
    608,889.90/913,334.85 = 165,657.90/x
  3. Step 3: Cross multiply
    608,889.90x = 913,334.85 × 165,657.90
  4. Step 4: Simplify right side
    608,889.90x = 151,301,133,247.82
  5. Step 5: Solve for x
    x = 151,301,133,247.82/608,889.90
  6. Step 6: Final answer
    x = 248,486.85

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Double scale
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Similar ratio
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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.