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Finding the Fourth Proportional to 501,960.40, 752,885.50 and 146,977.88

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Solution

The fourth proportional to 501,960.40, 752,885.50 and 146,977.88 is: 220,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,960.40 : 752,885.50 = 146,977.88 : x
  2. Step 2: Convert to fraction form
    501,960.40/752,885.50 = 146,977.88/x
  3. Step 3: Cross multiply
    501,960.40x = 752,885.50 × 146,977.88
  4. Step 4: Simplify right side
    501,960.40x = 110,657,514,672.74
  5. Step 5: Solve for x
    x = 110,657,514,672.74/501,960.40
  6. Step 6: Final answer
    x = 220,450.69

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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.