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Finding the Fourth Proportional to 565,517,709.10, 848,276,563.65 and 156,573,859.60

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Solution

The fourth proportional to 565,517,709.10, 848,276,563.65 and 156,573,859.60 is: 234,860,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,517,709.10 : 848,276,563.65 = 156,573,859.60 : x
  2. Step 2: Convert to fraction form
    565,517,709.10/848,276,563.65 = 156,573,859.60/x
  3. Step 3: Cross multiply
    565,517,709.10x = 848,276,563.65 × 156,573,859.60
  4. Step 4: Simplify right side
    565,517,709.10x = 132,817,935,578,905,552
  5. Step 5: Solve for x
    x = 132,817,935,578,905,552/565,517,709.10
  6. Step 6: Final answer
    x = 234,860,789.40

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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.