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Finding the Fourth Proportional to 243,012.60, 364,518.90 and 228,250.35

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Solution

The fourth proportional to 243,012.60, 364,518.90 and 228,250.35 is: 342,375.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,012.60 : 364,518.90 = 228,250.35 : x
  2. Step 2: Convert to fraction form
    243,012.60/364,518.90 = 228,250.35/x
  3. Step 3: Cross multiply
    243,012.60x = 364,518.90 × 228,250.35
  4. Step 4: Simplify right side
    243,012.60x = 83,201,566,506.62
  5. Step 5: Solve for x
    x = 83,201,566,506.62/243,012.60
  6. Step 6: Final answer
    x = 342,375.53

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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.