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Finding the Fourth Proportional to 427,315,890.60, 599,602,735.80 and 427,315,890.60

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Solution

The fourth proportional to 427,315,890.60, 599,602,735.80 and 427,315,890.60 is: 599,602,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,315,890.60 : 599,602,735.80 = 427,315,890.60 : x
  2. Step 2: Convert to fraction form
    427,315,890.60/599,602,735.80 = 427,315,890.60/x
  3. Step 3: Cross multiply
    427,315,890.60x = 599,602,735.80 × 427,315,890.60
  4. Step 4: Simplify right side
    427,315,890.60x = 256,219,777,054,573,504
  5. Step 5: Solve for x
    x = 256,219,777,054,573,504/427,315,890.60
  6. Step 6: Final answer
    x = 599,602,735.80

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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.