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Finding the Fourth Proportional to 539,703,293.60, 809,554,940.40 and 401,953,786.40

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Solution

The fourth proportional to 539,703,293.60, 809,554,940.40 and 401,953,786.40 is: 602,930,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,703,293.60 : 809,554,940.40 = 401,953,786.40 : x
  2. Step 2: Convert to fraction form
    539,703,293.60/809,554,940.40 = 401,953,786.40/x
  3. Step 3: Cross multiply
    539,703,293.60x = 809,554,940.40 × 401,953,786.40
  4. Step 4: Simplify right side
    539,703,293.60x = 325,403,673,592,606,272
  5. Step 5: Solve for x
    x = 325,403,673,592,606,272/539,703,293.60
  6. Step 6: Final answer
    x = 602,930,679.60

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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.