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Finding the Fourth Proportional to 529,537.50, 730,258.83 and 348,403.14

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Solution

The fourth proportional to 529,537.50, 730,258.83 and 348,403.14 is: 480,465.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,537.50 : 730,258.83 = 348,403.14 : x
  2. Step 2: Convert to fraction form
    529,537.50/730,258.83 = 348,403.14/x
  3. Step 3: Cross multiply
    529,537.50x = 730,258.83 × 348,403.14
  4. Step 4: Simplify right side
    529,537.50x = 254,424,469,384.73
  5. Step 5: Solve for x
    x = 254,424,469,384.73/529,537.50
  6. Step 6: Final answer
    x = 480,465.44

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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.