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Finding the Fourth Proportional to 583,480.80, 804,404.52 and 368,513.28

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Solution

The fourth proportional to 583,480.80, 804,404.52 and 368,513.28 is: 508,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,480.80 : 804,404.52 = 368,513.28 : x
  2. Step 2: Convert to fraction form
    583,480.80/804,404.52 = 368,513.28/x
  3. Step 3: Cross multiply
    583,480.80x = 804,404.52 × 368,513.28
  4. Step 4: Simplify right side
    583,480.80x = 296,433,748,112.03
  5. Step 5: Solve for x
    x = 296,433,748,112.03/583,480.80
  6. Step 6: Final answer
    x = 508,043.71

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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.