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Finding the Fourth Proportional to 329,707.42, 494,555.73 and 105,064.84

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Solution

The fourth proportional to 329,707.42, 494,555.73 and 105,064.84 is: 157,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,707.42 : 494,555.73 = 105,064.84 : x
  2. Step 2: Convert to fraction form
    329,707.42/494,555.73 = 105,064.84/x
  3. Step 3: Cross multiply
    329,707.42x = 494,555.73 × 105,064.84
  4. Step 4: Simplify right side
    329,707.42x = 51,960,418,643.53
  5. Step 5: Solve for x
    x = 51,960,418,643.53/329,707.42
  6. Step 6: Final answer
    x = 157,595.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.