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Finding the Fourth Proportional to 504,364.85, 696,002.54 and 274,917.08

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Solution

The fourth proportional to 504,364.85, 696,002.54 and 274,917.08 is: 379,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,364.85 : 696,002.54 = 274,917.08 : x
  2. Step 2: Convert to fraction form
    504,364.85/696,002.54 = 274,917.08/x
  3. Step 3: Cross multiply
    504,364.85x = 696,002.54 × 274,917.08
  4. Step 4: Simplify right side
    504,364.85x = 191,342,987,365.74
  5. Step 5: Solve for x
    x = 191,342,987,365.74/504,364.85
  6. Step 6: Final answer
    x = 379,374.16

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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.