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Finding the Fourth Proportional to 393,875.46, 543,549.69 and 224,105.94

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Solution

The fourth proportional to 393,875.46, 543,549.69 and 224,105.94 is: 309,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,875.46 : 543,549.69 = 224,105.94 : x
  2. Step 2: Convert to fraction form
    393,875.46/543,549.69 = 224,105.94/x
  3. Step 3: Cross multiply
    393,875.46x = 543,549.69 × 224,105.94
  4. Step 4: Simplify right side
    393,875.46x = 121,812,714,214.16
  5. Step 5: Solve for x
    x = 121,812,714,214.16/393,875.46
  6. Step 6: Final answer
    x = 309,267.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.