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Finding the Fourth Proportional to 265,770,603.70, 398,655,905.55 and 265,770,603.70

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Solution

The fourth proportional to 265,770,603.70, 398,655,905.55 and 265,770,603.70 is: 398,655,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,770,603.70 : 398,655,905.55 = 265,770,603.70 : x
  2. Step 2: Convert to fraction form
    265,770,603.70/398,655,905.55 = 265,770,603.70/x
  3. Step 3: Cross multiply
    265,770,603.70x = 398,655,905.55 × 265,770,603.70
  4. Step 4: Simplify right side
    265,770,603.70x = 105,951,020,686,593,680
  5. Step 5: Solve for x
    x = 105,951,020,686,593,680/265,770,603.70
  6. Step 6: Final answer
    x = 398,655,905.55

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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.