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Finding the Fourth Proportional to 313,851.01, 433,117.19 and 170,611.29

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Solution

The fourth proportional to 313,851.01, 433,117.19 and 170,611.29 is: 235,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,851.01 : 433,117.19 = 170,611.29 : x
  2. Step 2: Convert to fraction form
    313,851.01/433,117.19 = 170,611.29/x
  3. Step 3: Cross multiply
    313,851.01x = 433,117.19 × 170,611.29
  4. Step 4: Simplify right side
    313,851.01x = 73,894,682,507.08
  5. Step 5: Solve for x
    x = 73,894,682,507.08/313,851.01
  6. Step 6: Final answer
    x = 235,445.10

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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.