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Finding the Fourth Proportional to 363,492.45, 545,324.93 and 114,174.45

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Solution

The fourth proportional to 363,492.45, 545,324.93 and 114,174.45 is: 171,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,492.45 : 545,324.93 = 114,174.45 : x
  2. Step 2: Convert to fraction form
    363,492.45/545,324.93 = 114,174.45/x
  3. Step 3: Cross multiply
    363,492.45x = 545,324.93 × 114,174.45
  4. Step 4: Simplify right side
    363,492.45x = 62,262,173,383.17
  5. Step 5: Solve for x
    x = 62,262,173,383.17/363,492.45
  6. Step 6: Final answer
    x = 171,288.77

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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.