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Finding the Fourth Proportional to 443,950.72, 666,024.70 and 207,164.22

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Solution

The fourth proportional to 443,950.72, 666,024.70 and 207,164.22 is: 310,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,950.72 : 666,024.70 = 207,164.22 : x
  2. Step 2: Convert to fraction form
    443,950.72/666,024.70 = 207,164.22/x
  3. Step 3: Cross multiply
    443,950.72x = 666,024.70 × 207,164.22
  4. Step 4: Simplify right side
    443,950.72x = 137,976,487,476.23
  5. Step 5: Solve for x
    x = 137,976,487,476.23/443,950.72
  6. Step 6: Final answer
    x = 310,792.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.