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Finding the Fourth Proportional to 262,598.82, 362,020.98 and 221,931.56

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Solution

The fourth proportional to 262,598.82, 362,020.98 and 221,931.56 is: 305,956.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,598.82 : 362,020.98 = 221,931.56 : x
  2. Step 2: Convert to fraction form
    262,598.82/362,020.98 = 221,931.56/x
  3. Step 3: Cross multiply
    262,598.82x = 362,020.98 × 221,931.56
  4. Step 4: Simplify right side
    262,598.82x = 80,343,879,034.02
  5. Step 5: Solve for x
    x = 80,343,879,034.02/262,598.82
  6. Step 6: Final answer
    x = 305,956.74

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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.