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Finding the Fourth Proportional to 453,807.56, 680,783.61 and 150,212.81

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Solution

The fourth proportional to 453,807.56, 680,783.61 and 150,212.81 is: 225,343.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,807.56 : 680,783.61 = 150,212.81 : x
  2. Step 2: Convert to fraction form
    453,807.56/680,783.61 = 150,212.81/x
  3. Step 3: Cross multiply
    453,807.56x = 680,783.61 × 150,212.81
  4. Step 4: Simplify right side
    453,807.56x = 102,262,417,397.06
  5. Step 5: Solve for x
    x = 102,262,417,397.06/453,807.56
  6. Step 6: Final answer
    x = 225,343.13

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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.