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Finding the Fourth Proportional to 502,804.40, 754,206.60 and 483,450.80

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Solution

The fourth proportional to 502,804.40, 754,206.60 and 483,450.80 is: 725,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,804.40 : 754,206.60 = 483,450.80 : x
  2. Step 2: Convert to fraction form
    502,804.40/754,206.60 = 483,450.80/x
  3. Step 3: Cross multiply
    502,804.40x = 754,206.60 × 483,450.80
  4. Step 4: Simplify right side
    502,804.40x = 364,621,784,135.28
  5. Step 5: Solve for x
    x = 364,621,784,135.28/502,804.40
  6. Step 6: Final answer
    x = 725,176.20

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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.