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Finding the Fourth Proportional to 363,358,009.80, 545,037,014.70 and 363,358,009.80

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Solution

The fourth proportional to 363,358,009.80, 545,037,014.70 and 363,358,009.80 is: 545,037,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,358,009.80 : 545,037,014.70 = 363,358,009.80 : x
  2. Step 2: Convert to fraction form
    363,358,009.80/545,037,014.70 = 363,358,009.80/x
  3. Step 3: Cross multiply
    363,358,009.80x = 545,037,014.70 × 363,358,009.80
  4. Step 4: Simplify right side
    363,358,009.80x = 198,043,564,928,725,376
  5. Step 5: Solve for x
    x = 198,043,564,928,725,376/363,358,009.80
  6. Step 6: Final answer
    x = 545,037,014.70

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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.