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Finding the Fourth Proportional to 277,625.20, 415,854.60 and 152,820.40

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Solution

The fourth proportional to 277,625.20, 415,854.60 and 152,820.40 is: 228,909.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,625.20 : 415,854.60 = 152,820.40 : x
  2. Step 2: Convert to fraction form
    277,625.20/415,854.60 = 152,820.40/x
  3. Step 3: Cross multiply
    277,625.20x = 415,854.60 × 152,820.40
  4. Step 4: Simplify right side
    277,625.20x = 63,551,066,313.84
  5. Step 5: Solve for x
    x = 63,551,066,313.84/277,625.20
  6. Step 6: Final answer
    x = 228,909.57

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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.