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Finding the Fourth Proportional to 542,752.55, 813,101.21 and 362,293.84

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Solution

The fourth proportional to 542,752.55, 813,101.21 and 362,293.84 is: 542,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,752.55 : 813,101.21 = 362,293.84 : x
  2. Step 2: Convert to fraction form
    542,752.55/813,101.21 = 362,293.84/x
  3. Step 3: Cross multiply
    542,752.55x = 813,101.21 × 362,293.84
  4. Step 4: Simplify right side
    542,752.55x = 294,581,559,679.55
  5. Step 5: Solve for x
    x = 294,581,559,679.55/542,752.55
  6. Step 6: Final answer
    x = 542,754.81

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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.