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Finding the Fourth Proportional to 542,835.53, 813,859.62 and 364,901.21

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Solution

The fourth proportional to 542,835.53, 813,859.62 and 364,901.21 is: 547,087.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,835.53 : 813,859.62 = 364,901.21 : x
  2. Step 2: Convert to fraction form
    542,835.53/813,859.62 = 364,901.21/x
  3. Step 3: Cross multiply
    542,835.53x = 813,859.62 × 364,901.21
  4. Step 4: Simplify right side
    542,835.53x = 296,978,356,038.84
  5. Step 5: Solve for x
    x = 296,978,356,038.84/542,835.53
  6. Step 6: Final answer
    x = 547,087.18

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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.