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Finding the Fourth Proportional to 504,457.56, 696,129.80 and 275,009.27

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Solution

The fourth proportional to 504,457.56, 696,129.80 and 275,009.27 is: 379,500.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,457.56 : 696,129.80 = 275,009.27 : x
  2. Step 2: Convert to fraction form
    504,457.56/696,129.80 = 275,009.27/x
  3. Step 3: Cross multiply
    504,457.56x = 696,129.80 × 275,009.27
  4. Step 4: Simplify right side
    504,457.56x = 191,442,143,267.55
  5. Step 5: Solve for x
    x = 191,442,143,267.55/504,457.56
  6. Step 6: Final answer
    x = 379,500.99

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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.