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Finding the Fourth Proportional to 346,329, 477,929.36 and 193,369.56

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Solution

The fourth proportional to 346,329, 477,929.36 and 193,369.56 is: 266,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,329 : 477,929.36 = 193,369.56 : x
  2. Step 2: Convert to fraction form
    346,329/477,929.36 = 193,369.56/x
  3. Step 3: Cross multiply
    346,329x = 477,929.36 × 193,369.56
  4. Step 4: Simplify right side
    346,329x = 92,416,990,054.28
  5. Step 5: Solve for x
    x = 92,416,990,054.28/346,329
  6. Step 6: Final answer
    x = 266,847.39

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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.