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Finding the Fourth Proportional to 424,949.76, 637,424.64 and 144,467.01

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Solution

The fourth proportional to 424,949.76, 637,424.64 and 144,467.01 is: 216,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,949.76 : 637,424.64 = 144,467.01 : x
  2. Step 2: Convert to fraction form
    424,949.76/637,424.64 = 144,467.01/x
  3. Step 3: Cross multiply
    424,949.76x = 637,424.64 × 144,467.01
  4. Step 4: Simplify right side
    424,949.76x = 92,086,831,841.13
  5. Step 5: Solve for x
    x = 92,086,831,841.13/424,949.76
  6. Step 6: Final answer
    x = 216,700.52

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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.