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Finding the Fourth Proportional to 583,291.80, 873,188.10 and 548,688.60

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Solution

The fourth proportional to 583,291.80, 873,188.10 and 548,688.60 is: 821,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,291.80 : 873,188.10 = 548,688.60 : x
  2. Step 2: Convert to fraction form
    583,291.80/873,188.10 = 548,688.60/x
  3. Step 3: Cross multiply
    583,291.80x = 873,188.10 × 548,688.60
  4. Step 4: Simplify right side
    583,291.80x = 479,108,356,125.66
  5. Step 5: Solve for x
    x = 479,108,356,125.66/583,291.80
  6. Step 6: Final answer
    x = 821,387.09

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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.