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Finding the Fourth Proportional to 609,554.35, 914,334.56 and 249,921.64

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Solution

The fourth proportional to 609,554.35, 914,334.56 and 249,921.64 is: 374,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,554.35 : 914,334.56 = 249,921.64 : x
  2. Step 2: Convert to fraction form
    609,554.35/914,334.56 = 249,921.64/x
  3. Step 3: Cross multiply
    609,554.35x = 914,334.56 × 249,921.64
  4. Step 4: Simplify right side
    609,554.35x = 228,511,992,743.88
  5. Step 5: Solve for x
    x = 228,511,992,743.88/609,554.35
  6. Step 6: Final answer
    x = 374,883.70

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Double scale
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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.