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Finding the Fourth Proportional to 610,910.60, 916,106.70 and 295,464.20

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Solution

The fourth proportional to 610,910.60, 916,106.70 and 295,464.20 is: 443,070.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,910.60 : 916,106.70 = 295,464.20 : x
  2. Step 2: Convert to fraction form
    610,910.60/916,106.70 = 295,464.20/x
  3. Step 3: Cross multiply
    610,910.60x = 916,106.70 × 295,464.20
  4. Step 4: Simplify right side
    610,910.60x = 270,676,733,230.14
  5. Step 5: Solve for x
    x = 270,676,733,230.14/610,910.60
  6. Step 6: Final answer
    x = 443,070.94

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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.