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Finding the Fourth Proportional to 556,900.52, 839,464.19 and 524,388.20

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Solution

The fourth proportional to 556,900.52, 839,464.19 and 524,388.20 is: 790,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,900.52 : 839,464.19 = 524,388.20 : x
  2. Step 2: Convert to fraction form
    556,900.52/839,464.19 = 524,388.20/x
  3. Step 3: Cross multiply
    556,900.52x = 839,464.19 × 524,388.20
  4. Step 4: Simplify right side
    556,900.52x = 440,205,115,558.56
  5. Step 5: Solve for x
    x = 440,205,115,558.56/556,900.52
  6. Step 6: Final answer
    x = 790,455.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.