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Finding the Fourth Proportional to 314,928,419.20, 472,392,628.80 and 283,183,676.80

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Solution

The fourth proportional to 314,928,419.20, 472,392,628.80 and 283,183,676.80 is: 424,775,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,419.20 : 472,392,628.80 = 283,183,676.80 : x
  2. Step 2: Convert to fraction form
    314,928,419.20/472,392,628.80 = 283,183,676.80/x
  3. Step 3: Cross multiply
    314,928,419.20x = 472,392,628.80 × 283,183,676.80
  4. Step 4: Simplify right side
    314,928,419.20x = 133,773,881,516,801,584
  5. Step 5: Solve for x
    x = 133,773,881,516,801,584/314,928,419.20
  6. Step 6: Final answer
    x = 424,775,515.20

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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.