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Finding the Fourth Proportional to 277,659.20, 415,905.60 and 152,854.40

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Solution

The fourth proportional to 277,659.20, 415,905.60 and 152,854.40 is: 228,960.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,659.20 : 415,905.60 = 152,854.40 : x
  2. Step 2: Convert to fraction form
    277,659.20/415,905.60 = 152,854.40/x
  3. Step 3: Cross multiply
    277,659.20x = 415,905.60 × 152,854.40
  4. Step 4: Simplify right side
    277,659.20x = 63,573,000,944.64
  5. Step 5: Solve for x
    x = 63,573,000,944.64/277,659.20
  6. Step 6: Final answer
    x = 228,960.54

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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.