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Finding the Fourth Proportional to 490,861.60, 736,292.40 and 364,890.40

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Solution

The fourth proportional to 490,861.60, 736,292.40 and 364,890.40 is: 547,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,861.60 : 736,292.40 = 364,890.40 : x
  2. Step 2: Convert to fraction form
    490,861.60/736,292.40 = 364,890.40/x
  3. Step 3: Cross multiply
    490,861.60x = 736,292.40 × 364,890.40
  4. Step 4: Simplify right side
    490,861.60x = 268,666,028,352.96
  5. Step 5: Solve for x
    x = 268,666,028,352.96/490,861.60
  6. Step 6: Final answer
    x = 547,335.60

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Similar ratio
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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.