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Finding the Fourth Proportional to 906,098.72, 1,359,152.40 and 275,018

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Solution

The fourth proportional to 906,098.72, 1,359,152.40 and 275,018 is: 412,528.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,098.72 : 1,359,152.40 = 275,018 : x
  2. Step 2: Convert to fraction form
    906,098.72/1,359,152.40 = 275,018/x
  3. Step 3: Cross multiply
    906,098.72x = 1,359,152.40 × 275,018
  4. Step 4: Simplify right side
    906,098.72x = 373,791,374,743.20
  5. Step 5: Solve for x
    x = 373,791,374,743.20/906,098.72
  6. Step 6: Final answer
    x = 412,528.31

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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.