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Finding the Fourth Proportional to 609,733.80, 914,600.70 and 575,519.40

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Solution

The fourth proportional to 609,733.80, 914,600.70 and 575,519.40 is: 863,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,733.80 : 914,600.70 = 575,519.40 : x
  2. Step 2: Convert to fraction form
    609,733.80/914,600.70 = 575,519.40/x
  3. Step 3: Cross multiply
    609,733.80x = 914,600.70 × 575,519.40
  4. Step 4: Simplify right side
    609,733.80x = 526,370,446,103.58
  5. Step 5: Solve for x
    x = 526,370,446,103.58/609,733.80
  6. Step 6: Final answer
    x = 863,279.10

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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.