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Finding the Fourth Proportional to 591,900,612.60, 830,021,346.60 and 591,900,612.60

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Solution

The fourth proportional to 591,900,612.60, 830,021,346.60 and 591,900,612.60 is: 830,021,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,900,612.60 : 830,021,346.60 = 591,900,612.60 : x
  2. Step 2: Convert to fraction form
    591,900,612.60/830,021,346.60 = 591,900,612.60/x
  3. Step 3: Cross multiply
    591,900,612.60x = 830,021,346.60 × 591,900,612.60
  4. Step 4: Simplify right side
    591,900,612.60x = 491,290,143,523,616,960
  5. Step 5: Solve for x
    x = 491,290,143,523,616,960/591,900,612.60
  6. Step 6: Final answer
    x = 830,021,346.60

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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.