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Finding the Fourth Proportional to 490,864.80, 735,260.40 and 490,864.80

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Solution

The fourth proportional to 490,864.80, 735,260.40 and 490,864.80 is: 735,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,864.80 : 735,260.40 = 490,864.80 : x
  2. Step 2: Convert to fraction form
    490,864.80/735,260.40 = 490,864.80/x
  3. Step 3: Cross multiply
    490,864.80x = 735,260.40 × 490,864.80
  4. Step 4: Simplify right side
    490,864.80x = 360,913,449,193.92
  5. Step 5: Solve for x
    x = 360,913,449,193.92/490,864.80
  6. Step 6: Final answer
    x = 735,260.40

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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.