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Finding the Fourth Proportional to 316,040.20, 472,908.30 and 233,096.20

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Solution

The fourth proportional to 316,040.20, 472,908.30 and 233,096.20 is: 348,794.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,040.20 : 472,908.30 = 233,096.20 : x
  2. Step 2: Convert to fraction form
    316,040.20/472,908.30 = 233,096.20/x
  3. Step 3: Cross multiply
    316,040.20x = 472,908.30 × 233,096.20
  4. Step 4: Simplify right side
    316,040.20x = 110,233,127,678.46
  5. Step 5: Solve for x
    x = 110,233,127,678.46/316,040.20
  6. Step 6: Final answer
    x = 348,794.64

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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.