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Finding the Fourth Proportional to 355,724.64, 532,994.64 and 250,322.16

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Solution

The fourth proportional to 355,724.64, 532,994.64 and 250,322.16 is: 375,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,724.64 : 532,994.64 = 250,322.16 : x
  2. Step 2: Convert to fraction form
    355,724.64/532,994.64 = 250,322.16/x
  3. Step 3: Cross multiply
    355,724.64x = 532,994.64 × 250,322.16
  4. Step 4: Simplify right side
    355,724.64x = 133,420,369,553.22
  5. Step 5: Solve for x
    x = 133,420,369,553.22/355,724.64
  6. Step 6: Final answer
    x = 375,066.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.