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Finding the Fourth Proportional to 504,680.97, 696,340.02 and 286,872.51

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Solution

The fourth proportional to 504,680.97, 696,340.02 and 286,872.51 is: 395,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,680.97 : 696,340.02 = 286,872.51 : x
  2. Step 2: Convert to fraction form
    504,680.97/696,340.02 = 286,872.51/x
  3. Step 3: Cross multiply
    504,680.97x = 696,340.02 × 286,872.51
  4. Step 4: Simplify right side
    504,680.97x = 199,760,809,350.85
  5. Step 5: Solve for x
    x = 199,760,809,350.85/504,680.97
  6. Step 6: Final answer
    x = 395,816.01

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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.