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Finding the Fourth Proportional to 466,977.40, 700,466.60 and 130,018.78

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Solution

The fourth proportional to 466,977.40, 700,466.60 and 130,018.78 is: 195,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,977.40 : 700,466.60 = 130,018.78 : x
  2. Step 2: Convert to fraction form
    466,977.40/700,466.60 = 130,018.78/x
  3. Step 3: Cross multiply
    466,977.40x = 700,466.60 × 130,018.78
  4. Step 4: Simplify right side
    466,977.40x = 91,073,812,762.75
  5. Step 5: Solve for x
    x = 91,073,812,762.75/466,977.40
  6. Step 6: Final answer
    x = 195,028.31

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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.