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Finding the Fourth Proportional to 448,010.55, 618,254.55 and 246,806.55

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Solution

The fourth proportional to 448,010.55, 618,254.55 and 246,806.55 is: 340,593.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,010.55 : 618,254.55 = 246,806.55 : x
  2. Step 2: Convert to fraction form
    448,010.55/618,254.55 = 246,806.55/x
  3. Step 3: Cross multiply
    448,010.55x = 618,254.55 × 246,806.55
  4. Step 4: Simplify right side
    448,010.55x = 152,589,272,507.30
  5. Step 5: Solve for x
    x = 152,589,272,507.30/448,010.55
  6. Step 6: Final answer
    x = 340,593.03

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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.