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Finding the Fourth Proportional to 313,266.53, 432,308.23 and 170,026.53

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Solution

The fourth proportional to 313,266.53, 432,308.23 and 170,026.53 is: 234,636.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,266.53 : 432,308.23 = 170,026.53 : x
  2. Step 2: Convert to fraction form
    313,266.53/432,308.23 = 170,026.53/x
  3. Step 3: Cross multiply
    313,266.53x = 432,308.23 × 170,026.53
  4. Step 4: Simplify right side
    313,266.53x = 73,503,867,493.48
  5. Step 5: Solve for x
    x = 73,503,867,493.48/313,266.53
  6. Step 6: Final answer
    x = 234,636.84

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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.