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Finding the Fourth Proportional to 298,215.60, 446,740.20 and 179,534.40

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Solution

The fourth proportional to 298,215.60, 446,740.20 and 179,534.40 is: 268,950.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,215.60 : 446,740.20 = 179,534.40 : x
  2. Step 2: Convert to fraction form
    298,215.60/446,740.20 = 179,534.40/x
  3. Step 3: Cross multiply
    298,215.60x = 446,740.20 × 179,534.40
  4. Step 4: Simplify right side
    298,215.60x = 80,205,233,762.88
  5. Step 5: Solve for x
    x = 80,205,233,762.88/298,215.60
  6. Step 6: Final answer
    x = 268,950.50

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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.