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Finding the Fourth Proportional to 591,905,712.60, 830,028,486.60 and 591,905,712.60

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Solution

The fourth proportional to 591,905,712.60, 830,028,486.60 and 591,905,712.60 is: 830,028,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,905,712.60 : 830,028,486.60 = 591,905,712.60 : x
  2. Step 2: Convert to fraction form
    591,905,712.60/830,028,486.60 = 591,905,712.60/x
  3. Step 3: Cross multiply
    591,905,712.60x = 830,028,486.60 × 591,905,712.60
  4. Step 4: Simplify right side
    591,905,712.60x = 491,298,602,839,272,576
  5. Step 5: Solve for x
    x = 491,298,602,839,272,576/591,905,712.60
  6. Step 6: Final answer
    x = 830,028,486.60

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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.