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Finding the Fourth Proportional to 434,592.70, 651,931.37 and 134,992.73

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Solution

The fourth proportional to 434,592.70, 651,931.37 and 134,992.73 is: 202,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,592.70 : 651,931.37 = 134,992.73 : x
  2. Step 2: Convert to fraction form
    434,592.70/651,931.37 = 134,992.73/x
  3. Step 3: Cross multiply
    434,592.70x = 651,931.37 × 134,992.73
  4. Step 4: Simplify right side
    434,592.70x = 88,005,995,408.94
  5. Step 5: Solve for x
    x = 88,005,995,408.94/434,592.70
  6. Step 6: Final answer
    x = 202,502.24

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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.