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Finding the Fourth Proportional to 301,839.90, 452,759.85 and 270,347.10

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Solution

The fourth proportional to 301,839.90, 452,759.85 and 270,347.10 is: 405,520.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,839.90 : 452,759.85 = 270,347.10 : x
  2. Step 2: Convert to fraction form
    301,839.90/452,759.85 = 270,347.10/x
  3. Step 3: Cross multiply
    301,839.90x = 452,759.85 × 270,347.10
  4. Step 4: Simplify right side
    301,839.90x = 122,402,312,443.94
  5. Step 5: Solve for x
    x = 122,402,312,443.94/301,839.90
  6. Step 6: Final answer
    x = 405,520.65

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Similar ratio
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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.