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Finding the Fourth Proportional to 384,437.14, 530,172.24 and 293,624.39

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Solution

The fourth proportional to 384,437.14, 530,172.24 and 293,624.39 is: 404,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,437.14 : 530,172.24 = 293,624.39 : x
  2. Step 2: Convert to fraction form
    384,437.14/530,172.24 = 293,624.39/x
  3. Step 3: Cross multiply
    384,437.14x = 530,172.24 × 293,624.39
  4. Step 4: Simplify right side
    384,437.14x = 155,671,500,789.27
  5. Step 5: Solve for x
    x = 155,671,500,789.27/384,437.14
  6. Step 6: Final answer
    x = 404,933.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.