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Finding the Fourth Proportional to 517,974.55, 714,803.64 and 363,153.17

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Solution

The fourth proportional to 517,974.55, 714,803.64 and 363,153.17 is: 501,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,974.55 : 714,803.64 = 363,153.17 : x
  2. Step 2: Convert to fraction form
    517,974.55/714,803.64 = 363,153.17/x
  3. Step 3: Cross multiply
    517,974.55x = 714,803.64 × 363,153.17
  4. Step 4: Simplify right side
    517,974.55x = 259,583,208,218.72
  5. Step 5: Solve for x
    x = 259,583,208,218.72/517,974.55
  6. Step 6: Final answer
    x = 501,150.51

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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.