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Finding the Fourth Proportional to 673,804.10, 1,010,706.15 and 483,863.15

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Solution

The fourth proportional to 673,804.10, 1,010,706.15 and 483,863.15 is: 725,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,804.10 : 1,010,706.15 = 483,863.15 : x
  2. Step 2: Convert to fraction form
    673,804.10/1,010,706.15 = 483,863.15/x
  3. Step 3: Cross multiply
    673,804.10x = 1,010,706.15 × 483,863.15
  4. Step 4: Simplify right side
    673,804.10x = 489,043,461,463.37
  5. Step 5: Solve for x
    x = 489,043,461,463.37/673,804.10
  6. Step 6: Final answer
    x = 725,794.73

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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.