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Finding the Fourth Proportional to 638,051.80, 957,079.14 and 599,079.64

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Solution

The fourth proportional to 638,051.80, 957,079.14 and 599,079.64 is: 898,620.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,051.80 : 957,079.14 = 599,079.64 : x
  2. Step 2: Convert to fraction form
    638,051.80/957,079.14 = 599,079.64/x
  3. Step 3: Cross multiply
    638,051.80x = 957,079.14 × 599,079.64
  4. Step 4: Simplify right side
    638,051.80x = 573,366,626,642.71
  5. Step 5: Solve for x
    x = 573,366,626,642.71/638,051.80
  6. Step 6: Final answer
    x = 898,620.81

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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.