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Finding the Fourth Proportional to 448,154.86, 618,448.08 and 244,214.68

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Solution

The fourth proportional to 448,154.86, 618,448.08 and 244,214.68 is: 337,013.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,154.86 : 618,448.08 = 244,214.68 : x
  2. Step 2: Convert to fraction form
    448,154.86/618,448.08 = 244,214.68/x
  3. Step 3: Cross multiply
    448,154.86x = 618,448.08 × 244,214.68
  4. Step 4: Simplify right side
    448,154.86x = 151,034,099,953.81
  5. Step 5: Solve for x
    x = 151,034,099,953.81/448,154.86
  6. Step 6: Final answer
    x = 337,013.19

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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.