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Finding the Fourth Proportional to 576,848.40, 796,046 and 318,724.52

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Solution

The fourth proportional to 576,848.40, 796,046 and 318,724.52 is: 439,837.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,848.40 : 796,046 = 318,724.52 : x
  2. Step 2: Convert to fraction form
    576,848.40/796,046 = 318,724.52/x
  3. Step 3: Cross multiply
    576,848.40x = 796,046 × 318,724.52
  4. Step 4: Simplify right side
    576,848.40x = 253,719,379,247.92
  5. Step 5: Solve for x
    x = 253,719,379,247.92/576,848.40
  6. Step 6: Final answer
    x = 439,837.19

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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.