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Finding the Fourth Proportional to 542,253.51, 813,603.38 and 238,491.36

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Solution

The fourth proportional to 542,253.51, 813,603.38 and 238,491.36 is: 357,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,253.51 : 813,603.38 = 238,491.36 : x
  2. Step 2: Convert to fraction form
    542,253.51/813,603.38 = 238,491.36/x
  3. Step 3: Cross multiply
    542,253.51x = 813,603.38 × 238,491.36
  4. Step 4: Simplify right side
    542,253.51x = 194,037,375,404.34
  5. Step 5: Solve for x
    x = 194,037,375,404.34/542,253.51
  6. Step 6: Final answer
    x = 357,835.17

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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.