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Finding the Fourth Proportional to 531,503,866.40, 795,744,145.20 and 531,503,866.40

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Solution

The fourth proportional to 531,503,866.40, 795,744,145.20 and 531,503,866.40 is: 795,744,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,503,866.40 : 795,744,145.20 = 531,503,866.40 : x
  2. Step 2: Convert to fraction form
    531,503,866.40/795,744,145.20 = 531,503,866.40/x
  3. Step 3: Cross multiply
    531,503,866.40x = 795,744,145.20 × 531,503,866.40
  4. Step 4: Simplify right side
    531,503,866.40x = 422,941,089,838,963,008
  5. Step 5: Solve for x
    x = 422,941,089,838,963,008/531,503,866.40
  6. Step 6: Final answer
    x = 795,744,145.20

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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.