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Finding the Fourth Proportional to 492,480.36, 738,852.12 and 176,940

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Solution

The fourth proportional to 492,480.36, 738,852.12 and 176,940 is: 265,457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,480.36 : 738,852.12 = 176,940 : x
  2. Step 2: Convert to fraction form
    492,480.36/738,852.12 = 176,940/x
  3. Step 3: Cross multiply
    492,480.36x = 738,852.12 × 176,940
  4. Step 4: Simplify right side
    492,480.36x = 130,732,494,112.80
  5. Step 5: Solve for x
    x = 130,732,494,112.80/492,480.36
  6. Step 6: Final answer
    x = 265,457.27

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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.