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Finding the Fourth Proportional to 313,959.40, 470,346.48 and 185,492.36

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Solution

The fourth proportional to 313,959.40, 470,346.48 and 185,492.36 is: 277,888.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,959.40 : 470,346.48 = 185,492.36 : x
  2. Step 2: Convert to fraction form
    313,959.40/470,346.48 = 185,492.36/x
  3. Step 3: Cross multiply
    313,959.40x = 470,346.48 × 185,492.36
  4. Step 4: Simplify right side
    313,959.40x = 87,245,678,592.89
  5. Step 5: Solve for x
    x = 87,245,678,592.89/313,959.40
  6. Step 6: Final answer
    x = 277,888.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.