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Finding the Fourth Proportional to 578,046.60, 866,724.30 and 298,110.60

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Solution

The fourth proportional to 578,046.60, 866,724.30 and 298,110.60 is: 446,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,046.60 : 866,724.30 = 298,110.60 : x
  2. Step 2: Convert to fraction form
    578,046.60/866,724.30 = 298,110.60/x
  3. Step 3: Cross multiply
    578,046.60x = 866,724.30 × 298,110.60
  4. Step 4: Simplify right side
    578,046.60x = 258,379,701,107.58
  5. Step 5: Solve for x
    x = 258,379,701,107.58/578,046.60
  6. Step 6: Final answer
    x = 446,987.67

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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.