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Finding the Fourth Proportional to 365,802.90, 548,467.55 and 155,383.70

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Solution

The fourth proportional to 365,802.90, 548,467.55 and 155,383.70 is: 232,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,802.90 : 548,467.55 = 155,383.70 : x
  2. Step 2: Convert to fraction form
    365,802.90/548,467.55 = 155,383.70/x
  3. Step 3: Cross multiply
    365,802.90x = 548,467.55 × 155,383.70
  4. Step 4: Simplify right side
    365,802.90x = 85,222,917,248.94
  5. Step 5: Solve for x
    x = 85,222,917,248.94/365,802.90
  6. Step 6: Final answer
    x = 232,974.96

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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.