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Finding the Fourth Proportional to 531,540,765.60, 797,311,148.40 and 531,540,765.60

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Solution

The fourth proportional to 531,540,765.60, 797,311,148.40 and 531,540,765.60 is: 797,311,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,540,765.60 : 797,311,148.40 = 531,540,765.60 : x
  2. Step 2: Convert to fraction form
    531,540,765.60/797,311,148.40 = 531,540,765.60/x
  3. Step 3: Cross multiply
    531,540,765.60x = 797,311,148.40 × 531,540,765.60
  4. Step 4: Simplify right side
    531,540,765.60x = 423,803,378,241,951,232
  5. Step 5: Solve for x
    x = 423,803,378,241,951,232/531,540,765.60
  6. Step 6: Final answer
    x = 797,311,148.40

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1.5x scale

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.