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Finding the Fourth Proportional to 543,835.60, 815,429.40 and 333,624.40

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Solution

The fourth proportional to 543,835.60, 815,429.40 and 333,624.40 is: 500,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,835.60 : 815,429.40 = 333,624.40 : x
  2. Step 2: Convert to fraction form
    543,835.60/815,429.40 = 333,624.40/x
  3. Step 3: Cross multiply
    543,835.60x = 815,429.40 × 333,624.40
  4. Step 4: Simplify right side
    543,835.60x = 272,047,144,317.36
  5. Step 5: Solve for x
    x = 272,047,144,317.36/543,835.60
  6. Step 6: Final answer
    x = 500,237.84

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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.