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Finding the Fourth Proportional to 262,790.40, 393,602.40 and 227,798.40

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Solution

The fourth proportional to 262,790.40, 393,602.40 and 227,798.40 is: 341,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,790.40 : 393,602.40 = 227,798.40 : x
  2. Step 2: Convert to fraction form
    262,790.40/393,602.40 = 227,798.40/x
  3. Step 3: Cross multiply
    262,790.40x = 393,602.40 × 227,798.40
  4. Step 4: Simplify right side
    262,790.40x = 89,661,996,956.16
  5. Step 5: Solve for x
    x = 89,661,996,956.16/262,790.40
  6. Step 6: Final answer
    x = 341,192.06

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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.