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Finding the Fourth Proportional to 548,482.06, 822,622.20 and 248,890.60

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Solution

The fourth proportional to 548,482.06, 822,622.20 and 248,890.60 is: 373,290.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,482.06 : 822,622.20 = 248,890.60 : x
  2. Step 2: Convert to fraction form
    548,482.06/822,622.20 = 248,890.60/x
  3. Step 3: Cross multiply
    548,482.06x = 822,622.20 × 248,890.60
  4. Step 4: Simplify right side
    548,482.06x = 204,742,932,931.32
  5. Step 5: Solve for x
    x = 204,742,932,931.32/548,482.06
  6. Step 6: Final answer
    x = 373,290.12

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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.