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Finding the Fourth Proportional to 326,374.34, 488,610.62 and 242,506.26

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Solution

The fourth proportional to 326,374.34, 488,610.62 and 242,506.26 is: 363,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,374.34 : 488,610.62 = 242,506.26 : x
  2. Step 2: Convert to fraction form
    326,374.34/488,610.62 = 242,506.26/x
  3. Step 3: Cross multiply
    326,374.34x = 488,610.62 × 242,506.26
  4. Step 4: Simplify right side
    326,374.34x = 118,491,134,052.48
  5. Step 5: Solve for x
    x = 118,491,134,052.48/326,374.34
  6. Step 6: Final answer
    x = 363,052.85

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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.