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Finding the Fourth Proportional to 455,396.48, 683,127.52 and 174,913.68

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Solution

The fourth proportional to 455,396.48, 683,127.52 and 174,913.68 is: 262,383.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,396.48 : 683,127.52 = 174,913.68 : x
  2. Step 2: Convert to fraction form
    455,396.48/683,127.52 = 174,913.68/x
  3. Step 3: Cross multiply
    455,396.48x = 683,127.52 × 174,913.68
  4. Step 4: Simplify right side
    455,396.48x = 119,488,348,432.47
  5. Step 5: Solve for x
    x = 119,488,348,432.47/455,396.48
  6. Step 6: Final answer
    x = 262,383.12

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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.