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Finding the Fourth Proportional to 463,389.48, 695,138.94 and 147,735.72

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Solution

The fourth proportional to 463,389.48, 695,138.94 and 147,735.72 is: 221,621.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,389.48 : 695,138.94 = 147,735.72 : x
  2. Step 2: Convert to fraction form
    463,389.48/695,138.94 = 147,735.72/x
  3. Step 3: Cross multiply
    463,389.48x = 695,138.94 × 147,735.72
  4. Step 4: Simplify right side
    463,389.48x = 102,696,851,800.94
  5. Step 5: Solve for x
    x = 102,696,851,800.94/463,389.48
  6. Step 6: Final answer
    x = 221,621.03

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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.