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Finding the Fourth Proportional to 358,369.70, 537,554.55 and 109,122.98

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Solution

The fourth proportional to 358,369.70, 537,554.55 and 109,122.98 is: 163,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,369.70 : 537,554.55 = 109,122.98 : x
  2. Step 2: Convert to fraction form
    358,369.70/537,554.55 = 109,122.98/x
  3. Step 3: Cross multiply
    358,369.70x = 537,554.55 × 109,122.98
  4. Step 4: Simplify right side
    358,369.70x = 58,659,554,408.56
  5. Step 5: Solve for x
    x = 58,659,554,408.56/358,369.70
  6. Step 6: Final answer
    x = 163,684.47

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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.