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Finding the Fourth Proportional to 430,112,062.60, 645,168,093.90 and 430,112,062.60

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Solution

The fourth proportional to 430,112,062.60, 645,168,093.90 and 430,112,062.60 is: 645,168,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,112,062.60 : 645,168,093.90 = 430,112,062.60 : x
  2. Step 2: Convert to fraction form
    430,112,062.60/645,168,093.90 = 430,112,062.60/x
  3. Step 3: Cross multiply
    430,112,062.60x = 645,168,093.90 × 430,112,062.60
  4. Step 4: Simplify right side
    430,112,062.60x = 277,494,579,591,039,488
  5. Step 5: Solve for x
    x = 277,494,579,591,039,488/430,112,062.60
  6. Step 6: Final answer
    x = 645,168,093.90

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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.