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Finding the Fourth Proportional to 583,694.28, 872,873.28 and 424,305.72

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Solution

The fourth proportional to 583,694.28, 872,873.28 and 424,305.72 is: 634,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,694.28 : 872,873.28 = 424,305.72 : x
  2. Step 2: Convert to fraction form
    583,694.28/872,873.28 = 424,305.72/x
  3. Step 3: Cross multiply
    583,694.28x = 872,873.28 × 424,305.72
  4. Step 4: Simplify right side
    583,694.28x = 370,365,125,539.16
  5. Step 5: Solve for x
    x = 370,365,125,539.16/583,694.28
  6. Step 6: Final answer
    x = 634,519.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.