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Finding the Fourth Proportional to 570,759.90, 856,139.37 and 196,753.50

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Solution

The fourth proportional to 570,759.90, 856,139.37 and 196,753.50 is: 295,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,759.90 : 856,139.37 = 196,753.50 : x
  2. Step 2: Convert to fraction form
    570,759.90/856,139.37 = 196,753.50/x
  3. Step 3: Cross multiply
    570,759.90x = 856,139.37 × 196,753.50
  4. Step 4: Simplify right side
    570,759.90x = 168,448,417,535.30
  5. Step 5: Solve for x
    x = 168,448,417,535.30/570,759.90
  6. Step 6: Final answer
    x = 295,130.08

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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.