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Finding the Fourth Proportional to 413,575.79, 570,667.47 and 258,508.73

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Solution

The fourth proportional to 413,575.79, 570,667.47 and 258,508.73 is: 356,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,575.79 : 570,667.47 = 258,508.73 : x
  2. Step 2: Convert to fraction form
    413,575.79/570,667.47 = 258,508.73/x
  3. Step 3: Cross multiply
    413,575.79x = 570,667.47 × 258,508.73
  4. Step 4: Simplify right side
    413,575.79x = 147,522,520,169.27
  5. Step 5: Solve for x
    x = 147,522,520,169.27/413,575.79
  6. Step 6: Final answer
    x = 356,700.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.