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Finding the Fourth Proportional to 299,657,002.40, 448,729,676.40 and 239,190,826.40

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Solution

The fourth proportional to 299,657,002.40, 448,729,676.40 and 239,190,826.40 is: 358,182,926.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,657,002.40 : 448,729,676.40 = 239,190,826.40 : x
  2. Step 2: Convert to fraction form
    299,657,002.40/448,729,676.40 = 239,190,826.40/x
  3. Step 3: Cross multiply
    299,657,002.40x = 448,729,676.40 × 239,190,826.40
  4. Step 4: Simplify right side
    299,657,002.40x = 107,332,022,128,320,576
  5. Step 5: Solve for x
    x = 107,332,022,128,320,576/299,657,002.40
  6. Step 6: Final answer
    x = 358,182,926.71

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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.