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Finding the Fourth Proportional to 503,869.48, 754,028.38 and 314,419.04

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Solution

The fourth proportional to 503,869.48, 754,028.38 and 314,419.04 is: 470,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,869.48 : 754,028.38 = 314,419.04 : x
  2. Step 2: Convert to fraction form
    503,869.48/754,028.38 = 314,419.04/x
  3. Step 3: Cross multiply
    503,869.48x = 754,028.38 × 314,419.04
  4. Step 4: Simplify right side
    503,869.48x = 237,080,879,372.36
  5. Step 5: Solve for x
    x = 237,080,879,372.36/503,869.48
  6. Step 6: Final answer
    x = 470,520.42

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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.