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Finding the Fourth Proportional to 326,173.76, 489,592.32 and 224,978.84

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Solution

The fourth proportional to 326,173.76, 489,592.32 and 224,978.84 is: 337,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,173.76 : 489,592.32 = 224,978.84 : x
  2. Step 2: Convert to fraction form
    326,173.76/489,592.32 = 224,978.84/x
  3. Step 3: Cross multiply
    326,173.76x = 489,592.32 × 224,978.84
  4. Step 4: Simplify right side
    326,173.76x = 110,147,912,226.51
  5. Step 5: Solve for x
    x = 110,147,912,226.51/326,173.76
  6. Step 6: Final answer
    x = 337,697.04

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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.