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Finding the Fourth Proportional to 499,055.10, 748,582.65 and 274,328.70

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Solution

The fourth proportional to 499,055.10, 748,582.65 and 274,328.70 is: 411,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,055.10 : 748,582.65 = 274,328.70 : x
  2. Step 2: Convert to fraction form
    499,055.10/748,582.65 = 274,328.70/x
  3. Step 3: Cross multiply
    499,055.10x = 748,582.65 × 274,328.70
  4. Step 4: Simplify right side
    499,055.10x = 205,357,705,217.06
  5. Step 5: Solve for x
    x = 205,357,705,217.06/499,055.10
  6. Step 6: Final answer
    x = 411,493.05

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Similar ratio
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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.