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Finding the Fourth Proportional to 365,874.92, 548,243.44 and 253,774.16

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Solution

The fourth proportional to 365,874.92, 548,243.44 and 253,774.16 is: 380,266.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,874.92 : 548,243.44 = 253,774.16 : x
  2. Step 2: Convert to fraction form
    365,874.92/548,243.44 = 253,774.16/x
  3. Step 3: Cross multiply
    365,874.92x = 548,243.44 × 253,774.16
  4. Step 4: Simplify right side
    365,874.92x = 139,130,018,461.51
  5. Step 5: Solve for x
    x = 139,130,018,461.51/365,874.92
  6. Step 6: Final answer
    x = 380,266.62

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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.