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Finding the Fourth Proportional to 448,350.69, 618,718.92 and 244,397.15

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Solution

The fourth proportional to 448,350.69, 618,718.92 and 244,397.15 is: 337,265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,350.69 : 618,718.92 = 244,397.15 : x
  2. Step 2: Convert to fraction form
    448,350.69/618,718.92 = 244,397.15/x
  3. Step 3: Cross multiply
    448,350.69x = 618,718.92 × 244,397.15
  4. Step 4: Simplify right side
    448,350.69x = 151,213,140,699.08
  5. Step 5: Solve for x
    x = 151,213,140,699.08/448,350.69
  6. Step 6: Final answer
    x = 337,265.32

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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.