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Finding the Fourth Proportional to 448,241.76, 618,576.48 and 247,037.76

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Solution

The fourth proportional to 448,241.76, 618,576.48 and 247,037.76 is: 340,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,241.76 : 618,576.48 = 247,037.76 : x
  2. Step 2: Convert to fraction form
    448,241.76/618,576.48 = 247,037.76/x
  3. Step 3: Cross multiply
    448,241.76x = 618,576.48 × 247,037.76
  4. Step 4: Simplify right side
    448,241.76x = 152,811,748,007.89
  5. Step 5: Solve for x
    x = 152,811,748,007.89/448,241.76
  6. Step 6: Final answer
    x = 340,913.68

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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.