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Finding the Fourth Proportional to 351,269.40, 525,348.90 and 295,282.20

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Solution

The fourth proportional to 351,269.40, 525,348.90 and 295,282.20 is: 441,615.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,269.40 : 525,348.90 = 295,282.20 : x
  2. Step 2: Convert to fraction form
    351,269.40/525,348.90 = 295,282.20/x
  3. Step 3: Cross multiply
    351,269.40x = 525,348.90 × 295,282.20
  4. Step 4: Simplify right side
    351,269.40x = 155,126,178,959.58
  5. Step 5: Solve for x
    x = 155,126,178,959.58/351,269.40
  6. Step 6: Final answer
    x = 441,615.98

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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.