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Finding the Fourth Proportional to 501,845.70, 752,695.65 and 146,822.70

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Solution

The fourth proportional to 501,845.70, 752,695.65 and 146,822.70 is: 220,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,845.70 : 752,695.65 = 146,822.70 : x
  2. Step 2: Convert to fraction form
    501,845.70/752,695.65 = 146,822.70/x
  3. Step 3: Cross multiply
    501,845.70x = 752,695.65 × 146,822.70
  4. Step 4: Simplify right side
    501,845.70x = 110,512,807,611.26
  5. Step 5: Solve for x
    x = 110,512,807,611.26/501,845.70
  6. Step 6: Final answer
    x = 220,212.72

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1.5x scale

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.