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Finding the Fourth Proportional to 570,762.60, 856,200.54 and 211,027.68

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Solution

The fourth proportional to 570,762.60, 856,200.54 and 211,027.68 is: 316,562.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,762.60 : 856,200.54 = 211,027.68 : x
  2. Step 2: Convert to fraction form
    570,762.60/856,200.54 = 211,027.68/x
  3. Step 3: Cross multiply
    570,762.60x = 856,200.54 × 211,027.68
  4. Step 4: Simplify right side
    570,762.60x = 180,682,013,570.95
  5. Step 5: Solve for x
    x = 180,682,013,570.95/570,762.60
  6. Step 6: Final answer
    x = 316,562.46

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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.