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Finding the Fourth Proportional to 602,273.78, 903,408.42 and 146,859.78

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Solution

The fourth proportional to 602,273.78, 903,408.42 and 146,859.78 is: 220,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,273.78 : 903,408.42 = 146,859.78 : x
  2. Step 2: Convert to fraction form
    602,273.78/903,408.42 = 146,859.78/x
  3. Step 3: Cross multiply
    602,273.78x = 903,408.42 × 146,859.78
  4. Step 4: Simplify right side
    602,273.78x = 132,674,365,749.85
  5. Step 5: Solve for x
    x = 132,674,365,749.85/602,273.78
  6. Step 6: Final answer
    x = 220,289.13

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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.