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Finding the Fourth Proportional to 570,844.80, 856,276.80 and 216,025.92

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Solution

The fourth proportional to 570,844.80, 856,276.80 and 216,025.92 is: 324,042.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,844.80 : 856,276.80 = 216,025.92 : x
  2. Step 2: Convert to fraction form
    570,844.80/856,276.80 = 216,025.92/x
  3. Step 3: Cross multiply
    570,844.80x = 856,276.80 × 216,025.92
  4. Step 4: Simplify right side
    570,844.80x = 184,977,983,494.66
  5. Step 5: Solve for x
    x = 184,977,983,494.66/570,844.80
  6. Step 6: Final answer
    x = 324,042.51

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1.5x scale

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.