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Finding the Fourth Proportional to 344,042,620.40, 516,063,930.60 and 344,042,620.40

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Solution

The fourth proportional to 344,042,620.40, 516,063,930.60 and 344,042,620.40 is: 516,063,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,042,620.40 : 516,063,930.60 = 344,042,620.40 : x
  2. Step 2: Convert to fraction form
    344,042,620.40/516,063,930.60 = 344,042,620.40/x
  3. Step 3: Cross multiply
    344,042,620.40x = 516,063,930.60 × 344,042,620.40
  4. Step 4: Simplify right side
    344,042,620.40x = 177,547,986,977,547,744
  5. Step 5: Solve for x
    x = 177,547,986,977,547,744/344,042,620.40
  6. Step 6: Final answer
    x = 516,063,930.60

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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.