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Finding the Fourth Proportional to 583,002.80, 804,571.08 and 353,567.60

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Solution

The fourth proportional to 583,002.80, 804,571.08 and 353,567.60 is: 487,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,002.80 : 804,571.08 = 353,567.60 : x
  2. Step 2: Convert to fraction form
    583,002.80/804,571.08 = 353,567.60/x
  3. Step 3: Cross multiply
    583,002.80x = 804,571.08 × 353,567.60
  4. Step 4: Simplify right side
    583,002.80x = 284,470,265,785.01
  5. Step 5: Solve for x
    x = 284,470,265,785.01/583,002.80
  6. Step 6: Final answer
    x = 487,939.79

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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.