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Finding the Fourth Proportional to 313,284.58, 432,333.10 and 170,044.58

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Solution

The fourth proportional to 313,284.58, 432,333.10 and 170,044.58 is: 234,661.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,284.58 : 432,333.10 = 170,044.58 : x
  2. Step 2: Convert to fraction form
    313,284.58/432,333.10 = 170,044.58/x
  3. Step 3: Cross multiply
    313,284.58x = 432,333.10 × 170,044.58
  4. Step 4: Simplify right side
    313,284.58x = 73,515,900,409.60
  5. Step 5: Solve for x
    x = 73,515,900,409.60/313,284.58
  6. Step 6: Final answer
    x = 234,661.73

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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.