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Finding the Fourth Proportional to 351,033.48, 484,425.54 and 189,888.66

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Solution

The fourth proportional to 351,033.48, 484,425.54 and 189,888.66 is: 262,045.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,033.48 : 484,425.54 = 189,888.66 : x
  2. Step 2: Convert to fraction form
    351,033.48/484,425.54 = 189,888.66/x
  3. Step 3: Cross multiply
    351,033.48x = 484,425.54 × 189,888.66
  4. Step 4: Simplify right side
    351,033.48x = 91,986,916,660.38
  5. Step 5: Solve for x
    x = 91,986,916,660.38/351,033.48
  6. Step 6: Final answer
    x = 262,045.99

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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.