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Finding the Fourth Proportional to 443,329.35, 611,798.38 and 252,355.02

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Solution

The fourth proportional to 443,329.35, 611,798.38 and 252,355.02 is: 348,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,329.35 : 611,798.38 = 252,355.02 : x
  2. Step 2: Convert to fraction form
    443,329.35/611,798.38 = 252,355.02/x
  3. Step 3: Cross multiply
    443,329.35x = 611,798.38 × 252,355.02
  4. Step 4: Simplify right side
    443,329.35x = 154,390,389,361.88
  5. Step 5: Solve for x
    x = 154,390,389,361.88/443,329.35
  6. Step 6: Final answer
    x = 348,252.13

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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.