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Finding the Fourth Proportional to 508,099.95, 701,127.42 and 293,309.22

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Solution

The fourth proportional to 508,099.95, 701,127.42 and 293,309.22 is: 404,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,099.95 : 701,127.42 = 293,309.22 : x
  2. Step 2: Convert to fraction form
    508,099.95/701,127.42 = 293,309.22/x
  3. Step 3: Cross multiply
    508,099.95x = 701,127.42 × 293,309.22
  4. Step 4: Simplify right side
    508,099.95x = 205,647,136,680.81
  5. Step 5: Solve for x
    x = 205,647,136,680.81/508,099.95
  6. Step 6: Final answer
    x = 404,737.57

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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.