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Finding the Fourth Proportional to 662,693.80, 994,040.70 and 586,586.20

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Solution

The fourth proportional to 662,693.80, 994,040.70 and 586,586.20 is: 879,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,693.80 : 994,040.70 = 586,586.20 : x
  2. Step 2: Convert to fraction form
    662,693.80/994,040.70 = 586,586.20/x
  3. Step 3: Cross multiply
    662,693.80x = 994,040.70 × 586,586.20
  4. Step 4: Simplify right side
    662,693.80x = 583,090,556,858.34
  5. Step 5: Solve for x
    x = 583,090,556,858.34/662,693.80
  6. Step 6: Final answer
    x = 879,879.30

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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.