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Finding the Fourth Proportional to 531,441,753.60, 742,296,586.20 and 531,441,753.60

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Solution

The fourth proportional to 531,441,753.60, 742,296,586.20 and 531,441,753.60 is: 742,296,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,441,753.60 : 742,296,586.20 = 531,441,753.60 : x
  2. Step 2: Convert to fraction form
    531,441,753.60/742,296,586.20 = 531,441,753.60/x
  3. Step 3: Cross multiply
    531,441,753.60x = 742,296,586.20 × 531,441,753.60
  4. Step 4: Simplify right side
    531,441,753.60x = 394,487,399,461,421,632
  5. Step 5: Solve for x
    x = 394,487,399,461,421,632/531,441,753.60
  6. Step 6: Final answer
    x = 742,296,586.20

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