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Finding the Fourth Proportional to 583,033.44, 804,590.64 and 328,360.80

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Solution

The fourth proportional to 583,033.44, 804,590.64 and 328,360.80 is: 453,140.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,033.44 : 804,590.64 = 328,360.80 : x
  2. Step 2: Convert to fraction form
    583,033.44/804,590.64 = 328,360.80/x
  3. Step 3: Cross multiply
    583,033.44x = 804,590.64 × 328,360.80
  4. Step 4: Simplify right side
    583,033.44x = 264,196,026,222.91
  5. Step 5: Solve for x
    x = 264,196,026,222.91/583,033.44
  6. Step 6: Final answer
    x = 453,140.43

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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.