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Finding the Fourth Proportional to 448,501.48, 618,924.12 and 244,554

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Solution

The fourth proportional to 448,501.48, 618,924.12 and 244,554 is: 337,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,501.48 : 618,924.12 = 244,554 : x
  2. Step 2: Convert to fraction form
    448,501.48/618,924.12 = 244,554/x
  3. Step 3: Cross multiply
    448,501.48x = 618,924.12 × 244,554
  4. Step 4: Simplify right side
    448,501.48x = 151,360,369,242.48
  5. Step 5: Solve for x
    x = 151,360,369,242.48/448,501.48
  6. Step 6: Final answer
    x = 337,480.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.