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Finding the Fourth Proportional to 474,500.43, 654,810.57 and 259,640.51

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Solution

The fourth proportional to 474,500.43, 654,810.57 and 259,640.51 is: 358,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,500.43 : 654,810.57 = 259,640.51 : x
  2. Step 2: Convert to fraction form
    474,500.43/654,810.57 = 259,640.51/x
  3. Step 3: Cross multiply
    474,500.43x = 654,810.57 × 259,640.51
  4. Step 4: Simplify right side
    474,500.43x = 170,015,347,074.14
  5. Step 5: Solve for x
    x = 170,015,347,074.14/474,500.43
  6. Step 6: Final answer
    x = 358,303.88

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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.