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Finding the Fourth Proportional to 313,775.54, 433,010.30 and 170,535.58

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Solution

The fourth proportional to 313,775.54, 433,010.30 and 170,535.58 is: 235,339.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,775.54 : 433,010.30 = 170,535.58 : x
  2. Step 2: Convert to fraction form
    313,775.54/433,010.30 = 170,535.58/x
  3. Step 3: Cross multiply
    313,775.54x = 433,010.30 × 170,535.58
  4. Step 4: Simplify right side
    313,775.54x = 73,843,660,721.27
  5. Step 5: Solve for x
    x = 73,843,660,721.27/313,775.54
  6. Step 6: Final answer
    x = 235,339.12

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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.