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Finding the Fourth Proportional to 430,215.75, 593,674.65 and 248,930.64

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Solution

The fourth proportional to 430,215.75, 593,674.65 and 248,930.64 is: 343,510.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,215.75 : 593,674.65 = 248,930.64 : x
  2. Step 2: Convert to fraction form
    430,215.75/593,674.65 = 248,930.64/x
  3. Step 3: Cross multiply
    430,215.75x = 593,674.65 × 248,930.64
  4. Step 4: Simplify right side
    430,215.75x = 147,783,810,576.28
  5. Step 5: Solve for x
    x = 147,783,810,576.28/430,215.75
  6. Step 6: Final answer
    x = 343,510.93

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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.