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Finding the Fourth Proportional to 544,068.40, 816,102.60 and 483,415.60

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Solution

The fourth proportional to 544,068.40, 816,102.60 and 483,415.60 is: 725,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,068.40 : 816,102.60 = 483,415.60 : x
  2. Step 2: Convert to fraction form
    544,068.40/816,102.60 = 483,415.60/x
  3. Step 3: Cross multiply
    544,068.40x = 816,102.60 × 483,415.60
  4. Step 4: Simplify right side
    544,068.40x = 394,516,728,040.56
  5. Step 5: Solve for x
    x = 394,516,728,040.56/544,068.40
  6. Step 6: Final answer
    x = 725,123.40

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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.