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Finding the Fourth Proportional to 313,851.02, 433,117.18 and 170,611.28

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Solution

The fourth proportional to 313,851.02, 433,117.18 and 170,611.28 is: 235,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,851.02 : 433,117.18 = 170,611.28 : x
  2. Step 2: Convert to fraction form
    313,851.02/433,117.18 = 170,611.28/x
  3. Step 3: Cross multiply
    313,851.02x = 433,117.18 × 170,611.28
  4. Step 4: Simplify right side
    313,851.02x = 73,894,676,469.79
  5. Step 5: Solve for x
    x = 73,894,676,469.79/313,851.02
  6. Step 6: Final answer
    x = 235,445.07

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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.