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Finding the Fourth Proportional to 291,262.70, 436,894.05 and 197,950.70

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Solution

The fourth proportional to 291,262.70, 436,894.05 and 197,950.70 is: 296,926.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,262.70 : 436,894.05 = 197,950.70 : x
  2. Step 2: Convert to fraction form
    291,262.70/436,894.05 = 197,950.70/x
  3. Step 3: Cross multiply
    291,262.70x = 436,894.05 × 197,950.70
  4. Step 4: Simplify right side
    291,262.70x = 86,483,483,023.34
  5. Step 5: Solve for x
    x = 86,483,483,023.34/291,262.70
  6. Step 6: Final answer
    x = 296,926.05

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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.