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Finding the Fourth Proportional to 434,546.40, 651,819.60 and 403,053.60

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Solution

The fourth proportional to 434,546.40, 651,819.60 and 403,053.60 is: 604,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,546.40 : 651,819.60 = 403,053.60 : x
  2. Step 2: Convert to fraction form
    434,546.40/651,819.60 = 403,053.60/x
  3. Step 3: Cross multiply
    434,546.40x = 651,819.60 × 403,053.60
  4. Step 4: Simplify right side
    434,546.40x = 262,718,236,330.56
  5. Step 5: Solve for x
    x = 262,718,236,330.56/434,546.40
  6. Step 6: Final answer
    x = 604,580.40

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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.