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Finding the Fourth Proportional to 492,301.80, 738,452.70 and 416,194.20

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Solution

The fourth proportional to 492,301.80, 738,452.70 and 416,194.20 is: 624,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,301.80 : 738,452.70 = 416,194.20 : x
  2. Step 2: Convert to fraction form
    492,301.80/738,452.70 = 416,194.20/x
  3. Step 3: Cross multiply
    492,301.80x = 738,452.70 × 416,194.20
  4. Step 4: Simplify right side
    492,301.80x = 307,339,730,714.34
  5. Step 5: Solve for x
    x = 307,339,730,714.34/492,301.80
  6. Step 6: Final answer
    x = 624,291.30

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1.5x scale

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.