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Finding the Fourth Proportional to 501,902.22, 692,626.23 and 275,562.30

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Solution

The fourth proportional to 501,902.22, 692,626.23 and 275,562.30 is: 380,276.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,902.22 : 692,626.23 = 275,562.30 : x
  2. Step 2: Convert to fraction form
    501,902.22/692,626.23 = 275,562.30/x
  3. Step 3: Cross multiply
    501,902.22x = 692,626.23 × 275,562.30
  4. Step 4: Simplify right side
    501,902.22x = 190,861,676,979.13
  5. Step 5: Solve for x
    x = 190,861,676,979.13/501,902.22
  6. Step 6: Final answer
    x = 380,276.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.