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Finding the Fourth Proportional to 448,057.71, 618,319.31 and 246,853.71

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Solution

The fourth proportional to 448,057.71, 618,319.31 and 246,853.71 is: 340,657.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,057.71 : 618,319.31 = 246,853.71 : x
  2. Step 2: Convert to fraction form
    448,057.71/618,319.31 = 246,853.71/x
  3. Step 3: Cross multiply
    448,057.71x = 618,319.31 × 246,853.71
  4. Step 4: Simplify right side
    448,057.71x = 152,634,414,403.87
  5. Step 5: Solve for x
    x = 152,634,414,403.87/448,057.71
  6. Step 6: Final answer
    x = 340,657.94

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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.