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Finding the Fourth Proportional to 570,933, 856,366.56 and 171,565.20

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Solution

The fourth proportional to 570,933, 856,366.56 and 171,565.20 is: 257,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,933 : 856,366.56 = 171,565.20 : x
  2. Step 2: Convert to fraction form
    570,933/856,366.56 = 171,565.20/x
  3. Step 3: Cross multiply
    570,933x = 856,366.56 × 171,565.20
  4. Step 4: Simplify right side
    570,933x = 146,922,700,139.71
  5. Step 5: Solve for x
    x = 146,922,700,139.71/570,933
  6. Step 6: Final answer
    x = 257,337.90

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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.