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Finding the Fourth Proportional to 501,617.61, 752,470.16 and 146,667.51

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Solution

The fourth proportional to 501,617.61, 752,470.16 and 146,667.51 is: 220,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,617.61 : 752,470.16 = 146,667.51 : x
  2. Step 2: Convert to fraction form
    501,617.61/752,470.16 = 146,667.51/x
  3. Step 3: Cross multiply
    501,617.61x = 752,470.16 × 146,667.51
  4. Step 4: Simplify right side
    501,617.61x = 110,362,923,983.16
  5. Step 5: Solve for x
    x = 110,362,923,983.16/501,617.61
  6. Step 6: Final answer
    x = 220,014.05

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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.