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Finding the Fourth Proportional to 417,528.08, 626,025.71 and 275,209.04

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Solution

The fourth proportional to 417,528.08, 626,025.71 and 275,209.04 is: 412,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,528.08 : 626,025.71 = 275,209.04 : x
  2. Step 2: Convert to fraction form
    417,528.08/626,025.71 = 275,209.04/x
  3. Step 3: Cross multiply
    417,528.08x = 626,025.71 × 275,209.04
  4. Step 4: Simplify right side
    417,528.08x = 172,287,934,664.42
  5. Step 5: Solve for x
    x = 172,287,934,664.42/417,528.08
  6. Step 6: Final answer
    x = 412,637.96

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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.