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Finding the Fourth Proportional to 530,454.44, 732,043.24 and 375,683

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Solution

The fourth proportional to 530,454.44, 732,043.24 and 375,683 is: 518,453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,454.44 : 732,043.24 = 375,683 : x
  2. Step 2: Convert to fraction form
    530,454.44/732,043.24 = 375,683/x
  3. Step 3: Cross multiply
    530,454.44x = 732,043.24 × 375,683
  4. Step 4: Simplify right side
    530,454.44x = 275,016,200,532.92
  5. Step 5: Solve for x
    x = 275,016,200,532.92/530,454.44
  6. Step 6: Final answer
    x = 518,453.96

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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.