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Finding the Fourth Proportional to 347,069.04, 520,009.43 and 189,408.21

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Solution

The fourth proportional to 347,069.04, 520,009.43 and 189,408.21 is: 283,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,069.04 : 520,009.43 = 189,408.21 : x
  2. Step 2: Convert to fraction form
    347,069.04/520,009.43 = 189,408.21/x
  3. Step 3: Cross multiply
    347,069.04x = 520,009.43 × 189,408.21
  4. Step 4: Simplify right side
    347,069.04x = 98,494,054,372.38
  5. Step 5: Solve for x
    x = 98,494,054,372.38/347,069.04
  6. Step 6: Final answer
    x = 283,788.07

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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.