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Finding the Fourth Proportional to 501,923.79, 752,885.67 and 146,937.81

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Solution

The fourth proportional to 501,923.79, 752,885.67 and 146,937.81 is: 220,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,923.79 : 752,885.67 = 146,937.81 : x
  2. Step 2: Convert to fraction form
    501,923.79/752,885.67 = 146,937.81/x
  3. Step 3: Cross multiply
    501,923.79x = 752,885.67 × 146,937.81
  4. Step 4: Simplify right side
    501,923.79x = 110,627,369,854.39
  5. Step 5: Solve for x
    x = 110,627,369,854.39/501,923.79
  6. Step 6: Final answer
    x = 220,406.71

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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.