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Finding the Fourth Proportional to 570,965.77, 856,463.65 and 166,141.63

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Solution

The fourth proportional to 570,965.77, 856,463.65 and 166,141.63 is: 249,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,965.77 : 856,463.65 = 166,141.63 : x
  2. Step 2: Convert to fraction form
    570,965.77/856,463.65 = 166,141.63/x
  3. Step 3: Cross multiply
    570,965.77x = 856,463.65 × 166,141.63
  4. Step 4: Simplify right side
    570,965.77x = 142,294,264,450.45
  5. Step 5: Solve for x
    x = 142,294,264,450.45/570,965.77
  6. Step 6: Final answer
    x = 249,216.80

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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.