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Finding the Fourth Proportional to 565,517,709.60, 848,276,564.40 and 156,573,860.10

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Solution

The fourth proportional to 565,517,709.60, 848,276,564.40 and 156,573,860.10 is: 234,860,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,517,709.60 : 848,276,564.40 = 156,573,860.10 : x
  2. Step 2: Convert to fraction form
    565,517,709.60/848,276,564.40 = 156,573,860.10/x
  3. Step 3: Cross multiply
    565,517,709.60x = 848,276,564.40 × 156,573,860.10
  4. Step 4: Simplify right side
    565,517,709.60x = 132,817,936,120,474,224
  5. Step 5: Solve for x
    x = 132,817,936,120,474,224/565,517,709.60
  6. Step 6: Final answer
    x = 234,860,790.15

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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.