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Finding the Fourth Proportional to 448,436.10, 618,841.49 and 244,487.01

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Solution

The fourth proportional to 448,436.10, 618,841.49 and 244,487.01 is: 337,391.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,436.10 : 618,841.49 = 244,487.01 : x
  2. Step 2: Convert to fraction form
    448,436.10/618,841.49 = 244,487.01/x
  3. Step 3: Cross multiply
    448,436.10x = 618,841.49 × 244,487.01
  4. Step 4: Simplify right side
    448,436.10x = 151,298,704,331.61
  5. Step 5: Solve for x
    x = 151,298,704,331.61/448,436.10
  6. Step 6: Final answer
    x = 337,391.89

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1.5x scale

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.