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Finding the Fourth Proportional to 341,234.79, 470,900.73 and 188,274.21

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Solution

The fourth proportional to 341,234.79, 470,900.73 and 188,274.21 is: 259,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,234.79 : 470,900.73 = 188,274.21 : x
  2. Step 2: Convert to fraction form
    341,234.79/470,900.73 = 188,274.21/x
  3. Step 3: Cross multiply
    341,234.79x = 470,900.73 × 188,274.21
  4. Step 4: Simplify right side
    341,234.79x = 88,658,462,929.17
  5. Step 5: Solve for x
    x = 88,658,462,929.17/341,234.79
  6. Step 6: Final answer
    x = 259,816.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.