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Finding the Fourth Proportional to 502,802.40, 754,203.60 and 483,448.80

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Solution

The fourth proportional to 502,802.40, 754,203.60 and 483,448.80 is: 725,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,802.40 : 754,203.60 = 483,448.80 : x
  2. Step 2: Convert to fraction form
    502,802.40/754,203.60 = 483,448.80/x
  3. Step 3: Cross multiply
    502,802.40x = 754,203.60 × 483,448.80
  4. Step 4: Simplify right side
    502,802.40x = 364,618,825,375.68
  5. Step 5: Solve for x
    x = 364,618,825,375.68/502,802.40
  6. Step 6: Final answer
    x = 725,173.20

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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.