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Finding the Fourth Proportional to 569,271.24, 785,956.59 and 354,726.54

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Solution

The fourth proportional to 569,271.24, 785,956.59 and 354,726.54 is: 489,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,271.24 : 785,956.59 = 354,726.54 : x
  2. Step 2: Convert to fraction form
    569,271.24/785,956.59 = 354,726.54/x
  3. Step 3: Cross multiply
    569,271.24x = 785,956.59 × 354,726.54
  4. Step 4: Simplify right side
    569,271.24x = 278,799,661,760.90
  5. Step 5: Solve for x
    x = 278,799,661,760.90/569,271.24
  6. Step 6: Final answer
    x = 489,748.37

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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.