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Finding the Fourth Proportional to 262,597.32, 362,018.91 and 221,930.06

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Solution

The fourth proportional to 262,597.32, 362,018.91 and 221,930.06 is: 305,954.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,597.32 : 362,018.91 = 221,930.06 : x
  2. Step 2: Convert to fraction form
    262,597.32/362,018.91 = 221,930.06/x
  3. Step 3: Cross multiply
    262,597.32x = 362,018.91 × 221,930.06
  4. Step 4: Simplify right side
    262,597.32x = 80,342,876,607.34
  5. Step 5: Solve for x
    x = 80,342,876,607.34/262,597.32
  6. Step 6: Final answer
    x = 305,954.67

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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.