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Finding the Fourth Proportional to 531,790.53, 734,141.93 and 410,659.89

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Solution

The fourth proportional to 531,790.53, 734,141.93 and 410,659.89 is: 566,919.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,790.53 : 734,141.93 = 410,659.89 : x
  2. Step 2: Convert to fraction form
    531,790.53/734,141.93 = 410,659.89/x
  3. Step 3: Cross multiply
    531,790.53x = 734,141.93 × 410,659.89
  4. Step 4: Simplify right side
    531,790.53x = 301,482,647,080.19
  5. Step 5: Solve for x
    x = 301,482,647,080.19/531,790.53
  6. Step 6: Final answer
    x = 566,919.92

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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.