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Finding the Fourth Proportional to 504,441.76, 696,453.84 and 313,714.72

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Solution

The fourth proportional to 504,441.76, 696,453.84 and 313,714.72 is: 433,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,441.76 : 696,453.84 = 313,714.72 : x
  2. Step 2: Convert to fraction form
    504,441.76/696,453.84 = 313,714.72/x
  3. Step 3: Cross multiply
    504,441.76x = 696,453.84 × 313,714.72
  4. Step 4: Simplify right side
    504,441.76x = 218,487,821,408.53
  5. Step 5: Solve for x
    x = 218,487,821,408.53/504,441.76
  6. Step 6: Final answer
    x = 433,127.94

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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.