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Finding the Fourth Proportional to 342,904.96, 473,372.94 and 228,374.20

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Solution

The fourth proportional to 342,904.96, 473,372.94 and 228,374.20 is: 315,265.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,904.96 : 473,372.94 = 228,374.20 : x
  2. Step 2: Convert to fraction form
    342,904.96/473,372.94 = 228,374.20/x
  3. Step 3: Cross multiply
    342,904.96x = 473,372.94 × 228,374.20
  4. Step 4: Simplify right side
    342,904.96x = 108,106,166,474.15
  5. Step 5: Solve for x
    x = 108,106,166,474.15/342,904.96
  6. Step 6: Final answer
    x = 315,265.68

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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.