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Finding the Fourth Proportional to 551,483.60, 827,225.40 and 314,850.20

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Solution

The fourth proportional to 551,483.60, 827,225.40 and 314,850.20 is: 472,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,483.60 : 827,225.40 = 314,850.20 : x
  2. Step 2: Convert to fraction form
    551,483.60/827,225.40 = 314,850.20/x
  3. Step 3: Cross multiply
    551,483.60x = 827,225.40 × 314,850.20
  4. Step 4: Simplify right side
    551,483.60x = 260,452,082,635.08
  5. Step 5: Solve for x
    x = 260,452,082,635.08/551,483.60
  6. Step 6: Final answer
    x = 472,275.30

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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.