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Finding the Fourth Proportional to 307,114.36, 424,079.46 and 192,585.52

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Solution

The fourth proportional to 307,114.36, 424,079.46 and 192,585.52 is: 265,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,114.36 : 424,079.46 = 192,585.52 : x
  2. Step 2: Convert to fraction form
    307,114.36/424,079.46 = 192,585.52/x
  3. Step 3: Cross multiply
    307,114.36x = 424,079.46 × 192,585.52
  4. Step 4: Simplify right side
    307,114.36x = 81,671,563,325.42
  5. Step 5: Solve for x
    x = 81,671,563,325.42/307,114.36
  6. Step 6: Final answer
    x = 265,932.09

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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.