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Finding the Fourth Proportional to 313,293.54, 432,345.42 and 170,053.56

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Solution

The fourth proportional to 313,293.54, 432,345.42 and 170,053.56 is: 234,674.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,293.54 : 432,345.42 = 170,053.56 : x
  2. Step 2: Convert to fraction form
    313,293.54/432,345.42 = 170,053.56/x
  3. Step 3: Cross multiply
    313,293.54x = 432,345.42 × 170,053.56
  4. Step 4: Simplify right side
    313,293.54x = 73,521,877,820.70
  5. Step 5: Solve for x
    x = 73,521,877,820.70/313,293.54
  6. Step 6: Final answer
    x = 234,674.09

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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.