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Finding the Fourth Proportional to 346,137.60, 477,693.87 and 193,205.55

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Solution

The fourth proportional to 346,137.60, 477,693.87 and 193,205.55 is: 266,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,137.60 : 477,693.87 = 193,205.55 : x
  2. Step 2: Convert to fraction form
    346,137.60/477,693.87 = 193,205.55/x
  3. Step 3: Cross multiply
    346,137.60x = 477,693.87 × 193,205.55
  4. Step 4: Simplify right side
    346,137.60x = 92,293,106,884.98
  5. Step 5: Solve for x
    x = 92,293,106,884.98/346,137.60
  6. Step 6: Final answer
    x = 266,637.05

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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.