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Finding the Fourth Proportional to 353,059,793.60, 528,581,920.80 and 353,059,793.60

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Solution

The fourth proportional to 353,059,793.60, 528,581,920.80 and 353,059,793.60 is: 528,581,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,059,793.60 : 528,581,920.80 = 353,059,793.60 : x
  2. Step 2: Convert to fraction form
    353,059,793.60/528,581,920.80 = 353,059,793.60/x
  3. Step 3: Cross multiply
    353,059,793.60x = 528,581,920.80 × 353,059,793.60
  4. Step 4: Simplify right side
    353,059,793.60x = 186,621,023,858,339,552
  5. Step 5: Solve for x
    x = 186,621,023,858,339,552/353,059,793.60
  6. Step 6: Final answer
    x = 528,581,920.80

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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.