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Finding the Fourth Proportional to 357,029.67, 492,684.61 and 195,881.39

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Solution

The fourth proportional to 357,029.67, 492,684.61 and 195,881.39 is: 270,307.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,029.67 : 492,684.61 = 195,881.39 : x
  2. Step 2: Convert to fraction form
    357,029.67/492,684.61 = 195,881.39/x
  3. Step 3: Cross multiply
    357,029.67x = 492,684.61 × 195,881.39
  4. Step 4: Simplify right side
    357,029.67x = 96,507,746,238.41
  5. Step 5: Solve for x
    x = 96,507,746,238.41/357,029.67
  6. Step 6: Final answer
    x = 270,307.36

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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.