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Finding the Fourth Proportional to 446,061.40, 668,870.70 and 161,740.60

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Solution

The fourth proportional to 446,061.40, 668,870.70 and 161,740.60 is: 242,530.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,061.40 : 668,870.70 = 161,740.60 : x
  2. Step 2: Convert to fraction form
    446,061.40/668,870.70 = 161,740.60/x
  3. Step 3: Cross multiply
    446,061.40x = 668,870.70 × 161,740.60
  4. Step 4: Simplify right side
    446,061.40x = 108,183,548,340.42
  5. Step 5: Solve for x
    x = 108,183,548,340.42/446,061.40
  6. Step 6: Final answer
    x = 242,530.62

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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.