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Finding the Fourth Proportional to 313,883.72, 433,168.08 and 170,653.40

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Solution

The fourth proportional to 313,883.72, 433,168.08 and 170,653.40 is: 235,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,883.72 : 433,168.08 = 170,653.40 : x
  2. Step 2: Convert to fraction form
    313,883.72/433,168.08 = 170,653.40/x
  3. Step 3: Cross multiply
    313,883.72x = 433,168.08 × 170,653.40
  4. Step 4: Simplify right side
    313,883.72x = 73,921,605,623.47
  5. Step 5: Solve for x
    x = 73,921,605,623.47/313,883.72
  6. Step 6: Final answer
    x = 235,506.34

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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.