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Finding the Fourth Proportional to 570,925.76, 856,408.08 and 271,251.68

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Solution

The fourth proportional to 570,925.76, 856,408.08 and 271,251.68 is: 406,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,925.76 : 856,408.08 = 271,251.68 : x
  2. Step 2: Convert to fraction form
    570,925.76/856,408.08 = 271,251.68/x
  3. Step 3: Cross multiply
    570,925.76x = 856,408.08 × 271,251.68
  4. Step 4: Simplify right side
    570,925.76x = 232,302,130,465.57
  5. Step 5: Solve for x
    x = 232,302,130,465.57/570,925.76
  6. Step 6: Final answer
    x = 406,886.76

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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.