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Finding the Fourth Proportional to 481,035.60, 721,802.37 and 349,005.60

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Solution

The fourth proportional to 481,035.60, 721,802.37 and 349,005.60 is: 523,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,035.60 : 721,802.37 = 349,005.60 : x
  2. Step 2: Convert to fraction form
    481,035.60/721,802.37 = 349,005.60/x
  3. Step 3: Cross multiply
    481,035.60x = 721,802.37 × 349,005.60
  4. Step 4: Simplify right side
    481,035.60x = 251,913,069,223.27
  5. Step 5: Solve for x
    x = 251,913,069,223.27/481,035.60
  6. Step 6: Final answer
    x = 523,689.04

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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.