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Finding the Fourth Proportional to 590,080,412.80, 885,792,465.60 and 347,879,785.60

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Solution

The fourth proportional to 590,080,412.80, 885,792,465.60 and 347,879,785.60 is: 522,215,763.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,080,412.80 : 885,792,465.60 = 347,879,785.60 : x
  2. Step 2: Convert to fraction form
    590,080,412.80/885,792,465.60 = 347,879,785.60/x
  3. Step 3: Cross multiply
    590,080,412.80x = 885,792,465.60 × 347,879,785.60
  4. Step 4: Simplify right side
    590,080,412.80x = 308,149,293,019,023,424
  5. Step 5: Solve for x
    x = 308,149,293,019,023,424/590,080,412.80
  6. Step 6: Final answer
    x = 522,215,763.03

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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.