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Finding the Fourth Proportional to 720,080.68, 1,080,274.10 and 246,638.92

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Solution

The fourth proportional to 720,080.68, 1,080,274.10 and 246,638.92 is: 370,010.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,080.68 : 1,080,274.10 = 246,638.92 : x
  2. Step 2: Convert to fraction form
    720,080.68/1,080,274.10 = 246,638.92/x
  3. Step 3: Cross multiply
    720,080.68x = 1,080,274.10 × 246,638.92
  4. Step 4: Simplify right side
    720,080.68x = 266,437,637,327.97
  5. Step 5: Solve for x
    x = 266,437,637,327.97/720,080.68
  6. Step 6: Final answer
    x = 370,010.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.