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Finding the Fourth Proportional to 328,854.60, 493,800.30 and 188,886.60

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Solution

The fourth proportional to 328,854.60, 493,800.30 and 188,886.60 is: 283,627.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,854.60 : 493,800.30 = 188,886.60 : x
  2. Step 2: Convert to fraction form
    328,854.60/493,800.30 = 188,886.60/x
  3. Step 3: Cross multiply
    328,854.60x = 493,800.30 × 188,886.60
  4. Step 4: Simplify right side
    328,854.60x = 93,272,259,745.98
  5. Step 5: Solve for x
    x = 93,272,259,745.98/328,854.60
  6. Step 6: Final answer
    x = 283,627.66

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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.