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Finding the Fourth Proportional to 531,540,665.60, 797,310,998.40 and 531,540,665.60

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Solution

The fourth proportional to 531,540,665.60, 797,310,998.40 and 531,540,665.60 is: 797,310,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,540,665.60 : 797,310,998.40 = 531,540,665.60 : x
  2. Step 2: Convert to fraction form
    531,540,665.60/797,310,998.40 = 531,540,665.60/x
  3. Step 3: Cross multiply
    531,540,665.60x = 797,310,998.40 × 531,540,665.60
  4. Step 4: Simplify right side
    531,540,665.60x = 423,803,218,779,736,512
  5. Step 5: Solve for x
    x = 423,803,218,779,736,512/531,540,665.60
  6. Step 6: Final answer
    x = 797,310,998.40

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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.