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Finding the Fourth Proportional to 536,875.54, 803,560.93 and 394,683.16

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Solution

The fourth proportional to 536,875.54, 803,560.93 and 394,683.16 is: 590,736.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,875.54 : 803,560.93 = 394,683.16 : x
  2. Step 2: Convert to fraction form
    536,875.54/803,560.93 = 394,683.16/x
  3. Step 3: Cross multiply
    536,875.54x = 803,560.93 × 394,683.16
  4. Step 4: Simplify right side
    536,875.54x = 317,151,967,104.94
  5. Step 5: Solve for x
    x = 317,151,967,104.94/536,875.54
  6. Step 6: Final answer
    x = 590,736.48

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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.