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Finding the Fourth Proportional to 492,598.50, 738,897.93 and 118,621.50

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Solution

The fourth proportional to 492,598.50, 738,897.93 and 118,621.50 is: 177,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,598.50 : 738,897.93 = 118,621.50 : x
  2. Step 2: Convert to fraction form
    492,598.50/738,897.93 = 118,621.50/x
  3. Step 3: Cross multiply
    492,598.50x = 738,897.93 × 118,621.50
  4. Step 4: Simplify right side
    492,598.50x = 87,649,180,803.50
  5. Step 5: Solve for x
    x = 87,649,180,803.50/492,598.50
  6. Step 6: Final answer
    x = 177,932.29

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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.