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Finding the Fourth Proportional to 346,113.76, 477,451.92 and 238,736.92

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Solution

The fourth proportional to 346,113.76, 477,451.92 and 238,736.92 is: 329,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,113.76 : 477,451.92 = 238,736.92 : x
  2. Step 2: Convert to fraction form
    346,113.76/477,451.92 = 238,736.92/x
  3. Step 3: Cross multiply
    346,113.76x = 477,451.92 × 238,736.92
  4. Step 4: Simplify right side
    346,113.76x = 113,985,400,828.89
  5. Step 5: Solve for x
    x = 113,985,400,828.89/346,113.76
  6. Step 6: Final answer
    x = 329,329.30

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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.