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Finding the Fourth Proportional to 3,200,303.06, 4,799,655.46 and 1,255,426.93

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Solution

The fourth proportional to 3,200,303.06, 4,799,655.46 and 1,255,426.93 is: 1,882,826.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200,303.06 : 4,799,655.46 = 1,255,426.93 : x
  2. Step 2: Convert to fraction form
    3,200,303.06/4,799,655.46 = 1,255,426.93/x
  3. Step 3: Cross multiply
    3,200,303.06x = 4,799,655.46 × 1,255,426.93
  4. Step 4: Simplify right side
    3,200,303.06x = 6,025,616,719,205.54
  5. Step 5: Solve for x
    x = 6,025,616,719,205.54/3,200,303.06
  6. Step 6: Final answer
    x = 1,882,826.91

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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.