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Finding the Fourth Proportional to 370,462.44, 555,440.94 and 178,235.40

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Solution

The fourth proportional to 370,462.44, 555,440.94 and 178,235.40 is: 267,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,462.44 : 555,440.94 = 178,235.40 : x
  2. Step 2: Convert to fraction form
    370,462.44/555,440.94 = 178,235.40/x
  3. Step 3: Cross multiply
    370,462.44x = 555,440.94 × 178,235.40
  4. Step 4: Simplify right side
    370,462.44x = 98,999,238,117.28
  5. Step 5: Solve for x
    x = 98,999,238,117.28/370,462.44
  6. Step 6: Final answer
    x = 267,231.51

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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.