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Finding the Fourth Proportional to 371,698.05, 560,045.79 and 336,198.93

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Solution

The fourth proportional to 371,698.05, 560,045.79 and 336,198.93 is: 506,558.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,698.05 : 560,045.79 = 336,198.93 : x
  2. Step 2: Convert to fraction form
    371,698.05/560,045.79 = 336,198.93/x
  3. Step 3: Cross multiply
    371,698.05x = 560,045.79 × 336,198.93
  4. Step 4: Simplify right side
    371,698.05x = 188,286,795,349.01
  5. Step 5: Solve for x
    x = 188,286,795,349.01/371,698.05
  6. Step 6: Final answer
    x = 506,558.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.