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Finding the Fourth Proportional to 474,568.61, 654,903.63 and 259,708.55

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Solution

The fourth proportional to 474,568.61, 654,903.63 and 259,708.55 is: 358,397.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,568.61 : 654,903.63 = 259,708.55 : x
  2. Step 2: Convert to fraction form
    474,568.61/654,903.63 = 259,708.55/x
  3. Step 3: Cross multiply
    474,568.61x = 654,903.63 × 259,708.55
  4. Step 4: Simplify right side
    474,568.61x = 170,084,068,862.52
  5. Step 5: Solve for x
    x = 170,084,068,862.52/474,568.61
  6. Step 6: Final answer
    x = 358,397.22

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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.