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Finding the Fourth Proportional to 561,056,664.60, 839,671,809.30 and 561,056,664.60

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Solution

The fourth proportional to 561,056,664.60, 839,671,809.30 and 561,056,664.60 is: 839,671,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,056,664.60 : 839,671,809.30 = 561,056,664.60 : x
  2. Step 2: Convert to fraction form
    561,056,664.60/839,671,809.30 = 561,056,664.60/x
  3. Step 3: Cross multiply
    561,056,664.60x = 839,671,809.30 × 561,056,664.60
  4. Step 4: Simplify right side
    561,056,664.60x = 471,103,464,684,505,280
  5. Step 5: Solve for x
    x = 471,103,464,684,505,280/561,056,664.60
  6. Step 6: Final answer
    x = 839,671,809.30

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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.