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Finding the Fourth Proportional to 346,350.32, 477,958.76 and 193,390.88

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Solution

The fourth proportional to 346,350.32, 477,958.76 and 193,390.88 is: 266,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,350.32 : 477,958.76 = 193,390.88 : x
  2. Step 2: Convert to fraction form
    346,350.32/477,958.76 = 193,390.88/x
  3. Step 3: Cross multiply
    346,350.32x = 477,958.76 × 193,390.88
  4. Step 4: Simplify right side
    346,350.32x = 92,432,865,200.11
  5. Step 5: Solve for x
    x = 92,432,865,200.11/346,350.32
  6. Step 6: Final answer
    x = 266,876.80

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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.