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Finding the Fourth Proportional to 507,052.56, 699,527.46 and 292,077.48

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Solution

The fourth proportional to 507,052.56, 699,527.46 and 292,077.48 is: 402,948.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,052.56 : 699,527.46 = 292,077.48 : x
  2. Step 2: Convert to fraction form
    507,052.56/699,527.46 = 292,077.48/x
  3. Step 3: Cross multiply
    507,052.56x = 699,527.46 × 292,077.48
  4. Step 4: Simplify right side
    507,052.56x = 204,316,217,707.60
  5. Step 5: Solve for x
    x = 204,316,217,707.60/507,052.56
  6. Step 6: Final answer
    x = 402,948.79

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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.