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Finding the Fourth Proportional to 908,626.70, 1,362,830.70 and 376,092.20

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Solution

The fourth proportional to 908,626.70, 1,362,830.70 and 376,092.20 is: 564,093.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,626.70 : 1,362,830.70 = 376,092.20 : x
  2. Step 2: Convert to fraction form
    908,626.70/1,362,830.70 = 376,092.20/x
  3. Step 3: Cross multiply
    908,626.70x = 1,362,830.70 × 376,092.20
  4. Step 4: Simplify right side
    908,626.70x = 512,549,996,190.54
  5. Step 5: Solve for x
    x = 512,549,996,190.54/908,626.70
  6. Step 6: Final answer
    x = 564,093.04

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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.