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Finding the Fourth Proportional to 450,038.28, 675,005.46 and 113,053.31

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Solution

The fourth proportional to 450,038.28, 675,005.46 and 113,053.31 is: 169,566.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,038.28 : 675,005.46 = 113,053.31 : x
  2. Step 2: Convert to fraction form
    450,038.28/675,005.46 = 113,053.31/x
  3. Step 3: Cross multiply
    450,038.28x = 675,005.46 × 113,053.31
  4. Step 4: Simplify right side
    450,038.28x = 76,311,600,253.37
  5. Step 5: Solve for x
    x = 76,311,600,253.37/450,038.28
  6. Step 6: Final answer
    x = 169,566.91

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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.