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Finding the Fourth Proportional to 254,053.04, 350,598 and 139,324.40

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Solution

The fourth proportional to 254,053.04, 350,598 and 139,324.40 is: 192,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,053.04 : 350,598 = 139,324.40 : x
  2. Step 2: Convert to fraction form
    254,053.04/350,598 = 139,324.40/x
  3. Step 3: Cross multiply
    254,053.04x = 350,598 × 139,324.40
  4. Step 4: Simplify right side
    254,053.04x = 48,846,855,991.20
  5. Step 5: Solve for x
    x = 48,846,855,991.20/254,053.04
  6. Step 6: Final answer
    x = 192,270.31

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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.