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Finding the Fourth Proportional to 680,300.60, 1,020,450.90 and 467,724.20

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Solution

The fourth proportional to 680,300.60, 1,020,450.90 and 467,724.20 is: 701,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,300.60 : 1,020,450.90 = 467,724.20 : x
  2. Step 2: Convert to fraction form
    680,300.60/1,020,450.90 = 467,724.20/x
  3. Step 3: Cross multiply
    680,300.60x = 1,020,450.90 × 467,724.20
  4. Step 4: Simplify right side
    680,300.60x = 477,289,580,841.78
  5. Step 5: Solve for x
    x = 477,289,580,841.78/680,300.60
  6. Step 6: Final answer
    x = 701,586.30

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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.