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Finding the Fourth Proportional to 328,958.24, 453,971.22 and 199,852.76

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Solution

The fourth proportional to 328,958.24, 453,971.22 and 199,852.76 is: 275,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,958.24 : 453,971.22 = 199,852.76 : x
  2. Step 2: Convert to fraction form
    328,958.24/453,971.22 = 199,852.76/x
  3. Step 3: Cross multiply
    328,958.24x = 453,971.22 × 199,852.76
  4. Step 4: Simplify right side
    328,958.24x = 90,727,401,277.57
  5. Step 5: Solve for x
    x = 90,727,401,277.57/328,958.24
  6. Step 6: Final answer
    x = 275,802.18

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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.