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Finding the Fourth Proportional to 501,620,610.60, 752,430,915.90 and 501,620,610.60

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Solution

The fourth proportional to 501,620,610.60, 752,430,915.90 and 501,620,610.60 is: 752,430,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,620,610.60 : 752,430,915.90 = 501,620,610.60 : x
  2. Step 2: Convert to fraction form
    501,620,610.60/752,430,915.90 = 501,620,610.60/x
  3. Step 3: Cross multiply
    501,620,610.60x = 752,430,915.90 × 501,620,610.60
  4. Step 4: Simplify right side
    501,620,610.60x = 377,434,855,468,075,264
  5. Step 5: Solve for x
    x = 377,434,855,468,075,264/501,620,610.60
  6. Step 6: Final answer
    x = 752,430,915.90

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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.