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Finding the Fourth Proportional to 443,558, 612,110.04 and 242,354

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Solution

The fourth proportional to 443,558, 612,110.04 and 242,354 is: 334,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,558 : 612,110.04 = 242,354 : x
  2. Step 2: Convert to fraction form
    443,558/612,110.04 = 242,354/x
  3. Step 3: Cross multiply
    443,558x = 612,110.04 × 242,354
  4. Step 4: Simplify right side
    443,558x = 148,347,316,634.16
  5. Step 5: Solve for x
    x = 148,347,316,634.16/443,558
  6. Step 6: Final answer
    x = 334,448.52

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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.