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Finding the Fourth Proportional to 435,470,892.40, 653,206,338.60 and 435,470,892.40

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Solution

The fourth proportional to 435,470,892.40, 653,206,338.60 and 435,470,892.40 is: 653,206,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,470,892.40 : 653,206,338.60 = 435,470,892.40 : x
  2. Step 2: Convert to fraction form
    435,470,892.40/653,206,338.60 = 435,470,892.40/x
  3. Step 3: Cross multiply
    435,470,892.40x = 653,206,338.60 × 435,470,892.40
  4. Step 4: Simplify right side
    435,470,892.40x = 284,452,347,191,478,560
  5. Step 5: Solve for x
    x = 284,452,347,191,478,560/435,470,892.40
  6. Step 6: Final answer
    x = 653,206,338.60

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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.