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Finding the Fourth Proportional to 314,909,419.82, 472,310,293.07 and 84,824,696.07

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Solution

The fourth proportional to 314,909,419.82, 472,310,293.07 and 84,824,696.07 is: 127,222,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,909,419.82 : 472,310,293.07 = 84,824,696.07 : x
  2. Step 2: Convert to fraction form
    314,909,419.82/472,310,293.07 = 84,824,696.07/x
  3. Step 3: Cross multiply
    314,909,419.82x = 472,310,293.07 × 84,824,696.07
  4. Step 4: Simplify right side
    314,909,419.82x = 40,063,577,060,605,744
  5. Step 5: Solve for x
    x = 40,063,577,060,605,744/314,909,419.82
  6. Step 6: Final answer
    x = 127,222,542.55

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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.