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Finding the Fourth Proportional to 532,080,665.60, 798,120,998.40 and 350,532,838.40

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Solution

The fourth proportional to 532,080,665.60, 798,120,998.40 and 350,532,838.40 is: 525,799,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,080,665.60 : 798,120,998.40 = 350,532,838.40 : x
  2. Step 2: Convert to fraction form
    532,080,665.60/798,120,998.40 = 350,532,838.40/x
  3. Step 3: Cross multiply
    532,080,665.60x = 798,120,998.40 × 350,532,838.40
  4. Step 4: Simplify right side
    532,080,665.60x = 279,767,618,955,793,824
  5. Step 5: Solve for x
    x = 279,767,618,955,793,824/532,080,665.60
  6. Step 6: Final answer
    x = 525,799,257.60

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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.