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Finding the Fourth Proportional to 576,126.59, 795,054.83 and 321,477.57

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Solution

The fourth proportional to 576,126.59, 795,054.83 and 321,477.57 is: 443,639.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,126.59 : 795,054.83 = 321,477.57 : x
  2. Step 2: Convert to fraction form
    576,126.59/795,054.83 = 321,477.57/x
  3. Step 3: Cross multiply
    576,126.59x = 795,054.83 × 321,477.57
  4. Step 4: Simplify right side
    576,126.59x = 255,592,293,157.78
  5. Step 5: Solve for x
    x = 255,592,293,157.78/576,126.59
  6. Step 6: Final answer
    x = 443,639.12

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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.