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Finding the Fourth Proportional to 590,706.38, 816,278.28 and 483,237.20

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Solution

The fourth proportional to 590,706.38, 816,278.28 and 483,237.20 is: 667,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,706.38 : 816,278.28 = 483,237.20 : x
  2. Step 2: Convert to fraction form
    590,706.38/816,278.28 = 483,237.20/x
  3. Step 3: Cross multiply
    590,706.38x = 816,278.28 × 483,237.20
  4. Step 4: Simplify right side
    590,706.38x = 394,456,030,448.02
  5. Step 5: Solve for x
    x = 394,456,030,448.02/590,706.38
  6. Step 6: Final answer
    x = 667,770.05

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.