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Finding the Fourth Proportional to 448,080.96, 618,323.28 and 246,876.96

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Solution

The fourth proportional to 448,080.96, 618,323.28 and 246,876.96 is: 340,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,080.96 : 618,323.28 = 246,876.96 : x
  2. Step 2: Convert to fraction form
    448,080.96/618,323.28 = 246,876.96/x
  3. Step 3: Cross multiply
    448,080.96x = 618,323.28 × 246,876.96
  4. Step 4: Simplify right side
    448,080.96x = 152,649,771,663.63
  5. Step 5: Solve for x
    x = 152,649,771,663.63/448,080.96
  6. Step 6: Final answer
    x = 340,674.53

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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.