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Finding the Fourth Proportional to 517,812.57, 714,860.93 and 363,237.46

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Solution

The fourth proportional to 517,812.57, 714,860.93 and 363,237.46 is: 501,463.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,812.57 : 714,860.93 = 363,237.46 : x
  2. Step 2: Convert to fraction form
    517,812.57/714,860.93 = 363,237.46/x
  3. Step 3: Cross multiply
    517,812.57x = 714,860.93 × 363,237.46
  4. Step 4: Simplify right side
    517,812.57x = 259,664,271,097.67
  5. Step 5: Solve for x
    x = 259,664,271,097.67/517,812.57
  6. Step 6: Final answer
    x = 501,463.82

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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.