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Finding the Fourth Proportional to 475,293.31, 655,920.01 and 260,447.02

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Solution

The fourth proportional to 475,293.31, 655,920.01 and 260,447.02 is: 359,425.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,293.31 : 655,920.01 = 260,447.02 : x
  2. Step 2: Convert to fraction form
    475,293.31/655,920.01 = 260,447.02/x
  3. Step 3: Cross multiply
    475,293.31x = 655,920.01 × 260,447.02
  4. Step 4: Simplify right side
    475,293.31x = 170,832,410,648.63
  5. Step 5: Solve for x
    x = 170,832,410,648.63/475,293.31
  6. Step 6: Final answer
    x = 359,425.24

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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.