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Finding the Fourth Proportional to 320,068.92, 441,693.42 and 176,838.84

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Solution

The fourth proportional to 320,068.92, 441,693.42 and 176,838.84 is: 244,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,068.92 : 441,693.42 = 176,838.84 : x
  2. Step 2: Convert to fraction form
    320,068.92/441,693.42 = 176,838.84/x
  3. Step 3: Cross multiply
    320,068.92x = 441,693.42 × 176,838.84
  4. Step 4: Simplify right side
    320,068.92x = 78,108,552,028.43
  5. Step 5: Solve for x
    x = 78,108,552,028.43/320,068.92
  6. Step 6: Final answer
    x = 244,036.67

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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.