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Finding the Fourth Proportional to 583,143.72, 804,463.30 and 341,276.52

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Solution

The fourth proportional to 583,143.72, 804,463.30 and 341,276.52 is: 470,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,143.72 : 804,463.30 = 341,276.52 : x
  2. Step 2: Convert to fraction form
    583,143.72/804,463.30 = 341,276.52/x
  3. Step 3: Cross multiply
    583,143.72x = 804,463.30 × 341,276.52
  4. Step 4: Simplify right side
    583,143.72x = 274,544,435,491.72
  5. Step 5: Solve for x
    x = 274,544,435,491.72/583,143.72
  6. Step 6: Final answer
    x = 470,800.64

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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.