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Finding the Fourth Proportional to 346,141.76, 477,697.92 and 195,235.52

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Solution

The fourth proportional to 346,141.76, 477,697.92 and 195,235.52 is: 269,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,141.76 : 477,697.92 = 195,235.52 : x
  2. Step 2: Convert to fraction form
    346,141.76/477,697.92 = 195,235.52/x
  3. Step 3: Cross multiply
    346,141.76x = 477,697.92 × 195,235.52
  4. Step 4: Simplify right side
    346,141.76x = 93,263,601,814.12
  5. Step 5: Solve for x
    x = 93,263,601,814.12/346,141.76
  6. Step 6: Final answer
    x = 269,437.59

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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.