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Finding the Fourth Proportional to 289,064.60, 433,596.90 and 242,408.60

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Solution

The fourth proportional to 289,064.60, 433,596.90 and 242,408.60 is: 363,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,064.60 : 433,596.90 = 242,408.60 : x
  2. Step 2: Convert to fraction form
    289,064.60/433,596.90 = 242,408.60/x
  3. Step 3: Cross multiply
    289,064.60x = 433,596.90 × 242,408.60
  4. Step 4: Simplify right side
    289,064.60x = 105,107,617,493.34
  5. Step 5: Solve for x
    x = 105,107,617,493.34/289,064.60
  6. Step 6: Final answer
    x = 363,612.90

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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.