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Finding the Fourth Proportional to 355,604.19, 533,433.83 and 118,948.11

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Solution

The fourth proportional to 355,604.19, 533,433.83 and 118,948.11 is: 178,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,604.19 : 533,433.83 = 118,948.11 : x
  2. Step 2: Convert to fraction form
    355,604.19/533,433.83 = 118,948.11/x
  3. Step 3: Cross multiply
    355,604.19x = 533,433.83 × 118,948.11
  4. Step 4: Simplify right side
    355,604.19x = 63,450,945,293.82
  5. Step 5: Solve for x
    x = 63,450,945,293.82/355,604.19
  6. Step 6: Final answer
    x = 178,431.38

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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.