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Finding the Fourth Proportional to 501,271.71, 751,895.07 and 146,288.81

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Solution

The fourth proportional to 501,271.71, 751,895.07 and 146,288.81 is: 219,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,271.71 : 751,895.07 = 146,288.81 : x
  2. Step 2: Convert to fraction form
    501,271.71/751,895.07 = 146,288.81/x
  3. Step 3: Cross multiply
    501,271.71x = 751,895.07 × 146,288.81
  4. Step 4: Simplify right side
    501,271.71x = 109,993,831,275.69
  5. Step 5: Solve for x
    x = 109,993,831,275.69/501,271.71
  6. Step 6: Final answer
    x = 219,429.56

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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.