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Finding the Fourth Proportional to 350,923.98, 483,703.91 and 274,307.91

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Solution

The fourth proportional to 350,923.98, 483,703.91 and 274,307.91 is: 378,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,923.98 : 483,703.91 = 274,307.91 : x
  2. Step 2: Convert to fraction form
    350,923.98/483,703.91 = 274,307.91/x
  3. Step 3: Cross multiply
    350,923.98x = 483,703.91 × 274,307.91
  4. Step 4: Simplify right side
    350,923.98x = 132,683,807,239.39
  5. Step 5: Solve for x
    x = 132,683,807,239.39/350,923.98
  6. Step 6: Final answer
    x = 378,098.43

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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.