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Finding the Fourth Proportional to 299,570,186.40, 448,599,452.40 and 239,104,010.40

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Solution

The fourth proportional to 299,570,186.40, 448,599,452.40 and 239,104,010.40 is: 358,052,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,570,186.40 : 448,599,452.40 = 239,104,010.40 : x
  2. Step 2: Convert to fraction form
    299,570,186.40/448,599,452.40 = 239,104,010.40/x
  3. Step 3: Cross multiply
    299,570,186.40x = 448,599,452.40 × 239,104,010.40
  4. Step 4: Simplify right side
    299,570,186.40x = 107,261,928,132,083,904
  5. Step 5: Solve for x
    x = 107,261,928,132,083,904/299,570,186.40
  6. Step 6: Final answer
    x = 358,052,746.91

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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.