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Finding the Fourth Proportional to 501,545.90, 752,428.20 and 164,529.20

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Solution

The fourth proportional to 501,545.90, 752,428.20 and 164,529.20 is: 246,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,545.90 : 752,428.20 = 164,529.20 : x
  2. Step 2: Convert to fraction form
    501,545.90/752,428.20 = 164,529.20/x
  3. Step 3: Cross multiply
    501,545.90x = 752,428.20 × 164,529.20
  4. Step 4: Simplify right side
    501,545.90x = 123,796,409,803.44
  5. Step 5: Solve for x
    x = 123,796,409,803.44/501,545.90
  6. Step 6: Final answer
    x = 246,829.67

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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.