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Finding the Fourth Proportional to 349,632,021.60, 488,577,837.60 and 349,632,021.60

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Solution

The fourth proportional to 349,632,021.60, 488,577,837.60 and 349,632,021.60 is: 488,577,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,632,021.60 : 488,577,837.60 = 349,632,021.60 : x
  2. Step 2: Convert to fraction form
    349,632,021.60/488,577,837.60 = 349,632,021.60/x
  3. Step 3: Cross multiply
    349,632,021.60x = 488,577,837.60 × 349,632,021.60
  4. Step 4: Simplify right side
    349,632,021.60x = 170,822,457,069,044,512
  5. Step 5: Solve for x
    x = 170,822,457,069,044,512/349,632,021.60
  6. Step 6: Final answer
    x = 488,577,837.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.