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Finding the Fourth Proportional to 236,218,709.70, 354,328,064.55 and 236,218,709.70

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Solution

The fourth proportional to 236,218,709.70, 354,328,064.55 and 236,218,709.70 is: 354,328,064.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,218,709.70 : 354,328,064.55 = 236,218,709.70 : x
  2. Step 2: Convert to fraction form
    236,218,709.70/354,328,064.55 = 236,218,709.70/x
  3. Step 3: Cross multiply
    236,218,709.70x = 354,328,064.55 × 236,218,709.70
  4. Step 4: Simplify right side
    236,218,709.70x = 83,698,918,218,499,312
  5. Step 5: Solve for x
    x = 83,698,918,218,499,312/236,218,709.70
  6. Step 6: Final answer
    x = 354,328,064.55

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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.