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Finding the Fourth Proportional to 204,035,388.60, 286,254,205.80 and 204,035,388.60

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Solution

The fourth proportional to 204,035,388.60, 286,254,205.80 and 204,035,388.60 is: 286,254,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,035,388.60 : 286,254,205.80 = 204,035,388.60 : x
  2. Step 2: Convert to fraction form
    204,035,388.60/286,254,205.80 = 204,035,388.60/x
  3. Step 3: Cross multiply
    204,035,388.60x = 286,254,205.80 × 204,035,388.60
  4. Step 4: Simplify right side
    204,035,388.60x = 58,405,988,118,787,376
  5. Step 5: Solve for x
    x = 58,405,988,118,787,376/204,035,388.60
  6. Step 6: Final answer
    x = 286,254,205.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.