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Finding the Fourth Proportional to 448,010.30, 618,254.20 and 246,806.30

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Solution

The fourth proportional to 448,010.30, 618,254.20 and 246,806.30 is: 340,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,010.30 : 618,254.20 = 246,806.30 : x
  2. Step 2: Convert to fraction form
    448,010.30/618,254.20 = 246,806.30/x
  3. Step 3: Cross multiply
    448,010.30x = 618,254.20 × 246,806.30
  4. Step 4: Simplify right side
    448,010.30x = 152,589,031,561.46
  5. Step 5: Solve for x
    x = 152,589,031,561.46/448,010.30
  6. Step 6: Final answer
    x = 340,592.69

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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.