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Finding the Fourth Proportional to 365,649.48, 548,252.28 and 239,136.84

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Solution

The fourth proportional to 365,649.48, 548,252.28 and 239,136.84 is: 358,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,649.48 : 548,252.28 = 239,136.84 : x
  2. Step 2: Convert to fraction form
    365,649.48/548,252.28 = 239,136.84/x
  3. Step 3: Cross multiply
    365,649.48x = 548,252.28 × 239,136.84
  4. Step 4: Simplify right side
    365,649.48x = 131,107,317,762.00
  5. Step 5: Solve for x
    x = 131,107,317,762.00/365,649.48
  6. Step 6: Final answer
    x = 358,560.11

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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.