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Finding the Fourth Proportional to 506,012.82, 759,143.80 and 356,545

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Solution

The fourth proportional to 506,012.82, 759,143.80 and 356,545 is: 534,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,012.82 : 759,143.80 = 356,545 : x
  2. Step 2: Convert to fraction form
    506,012.82/759,143.80 = 356,545/x
  3. Step 3: Cross multiply
    506,012.82x = 759,143.80 × 356,545
  4. Step 4: Simplify right side
    506,012.82x = 270,668,926,171.00
  5. Step 5: Solve for x
    x = 270,668,926,171.00/506,012.82
  6. Step 6: Final answer
    x = 534,905.27

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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.