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Finding the Fourth Proportional to 673,800.60, 1,010,700.90 and 483,859.65

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Solution

The fourth proportional to 673,800.60, 1,010,700.90 and 483,859.65 is: 725,789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,800.60 : 1,010,700.90 = 483,859.65 : x
  2. Step 2: Convert to fraction form
    673,800.60/1,010,700.90 = 483,859.65/x
  3. Step 3: Cross multiply
    673,800.60x = 1,010,700.90 × 483,859.65
  4. Step 4: Simplify right side
    673,800.60x = 489,037,383,728.69
  5. Step 5: Solve for x
    x = 489,037,383,728.69/673,800.60
  6. Step 6: Final answer
    x = 725,789.48

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Double scale
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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.