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Finding the Fourth Proportional to 526,139,457.20, 737,804,563.60 and 526,139,457.20

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Solution

The fourth proportional to 526,139,457.20, 737,804,563.60 and 526,139,457.20 is: 737,804,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,139,457.20 : 737,804,563.60 = 526,139,457.20 : x
  2. Step 2: Convert to fraction form
    526,139,457.20/737,804,563.60 = 526,139,457.20/x
  3. Step 3: Cross multiply
    526,139,457.20x = 737,804,563.60 × 526,139,457.20
  4. Step 4: Simplify right side
    526,139,457.20x = 388,188,092,612,186,880
  5. Step 5: Solve for x
    x = 388,188,092,612,186,880/526,139,457.20
  6. Step 6: Final answer
    x = 737,804,563.60

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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.