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Finding the Fourth Proportional to 298,051.30, 445,910.55 and 193,075.30

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Solution

The fourth proportional to 298,051.30, 445,910.55 and 193,075.30 is: 288,857.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,051.30 : 445,910.55 = 193,075.30 : x
  2. Step 2: Convert to fraction form
    298,051.30/445,910.55 = 193,075.30/x
  3. Step 3: Cross multiply
    298,051.30x = 445,910.55 × 193,075.30
  4. Step 4: Simplify right side
    298,051.30x = 86,094,313,214.42
  5. Step 5: Solve for x
    x = 86,094,313,214.42/298,051.30
  6. Step 6: Final answer
    x = 288,857.37

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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.