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Finding the Fourth Proportional to 504,486.06, 696,159.27 and 278,131.56

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Solution

The fourth proportional to 504,486.06, 696,159.27 and 278,131.56 is: 383,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,486.06 : 696,159.27 = 278,131.56 : x
  2. Step 2: Convert to fraction form
    504,486.06/696,159.27 = 278,131.56/x
  3. Step 3: Cross multiply
    504,486.06x = 696,159.27 × 278,131.56
  4. Step 4: Simplify right side
    504,486.06x = 193,623,863,773.56
  5. Step 5: Solve for x
    x = 193,623,863,773.56/504,486.06
  6. Step 6: Final answer
    x = 383,804.19

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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.