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Finding the Fourth Proportional to 501,166.80, 749,563.20 and 448,241.40

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Solution

The fourth proportional to 501,166.80, 749,563.20 and 448,241.40 is: 670,406.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,166.80 : 749,563.20 = 448,241.40 : x
  2. Step 2: Convert to fraction form
    501,166.80/749,563.20 = 448,241.40/x
  3. Step 3: Cross multiply
    501,166.80x = 749,563.20 × 448,241.40
  4. Step 4: Simplify right side
    501,166.80x = 335,985,258,156.48
  5. Step 5: Solve for x
    x = 335,985,258,156.48/501,166.80
  6. Step 6: Final answer
    x = 670,406.06

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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.