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Finding the Fourth Proportional to 501,580.80, 752,371.20 and 146,580.48

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Solution

The fourth proportional to 501,580.80, 752,371.20 and 146,580.48 is: 219,870.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,580.80 : 752,371.20 = 146,580.48 : x
  2. Step 2: Convert to fraction form
    501,580.80/752,371.20 = 146,580.48/x
  3. Step 3: Cross multiply
    501,580.80x = 752,371.20 × 146,580.48
  4. Step 4: Simplify right side
    501,580.80x = 110,282,931,634.18
  5. Step 5: Solve for x
    x = 110,282,931,634.18/501,580.80
  6. Step 6: Final answer
    x = 219,870.72

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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.