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Finding the Fourth Proportional to 590,456.64, 814,627.04 and 357,958.56

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Solution

The fourth proportional to 590,456.64, 814,627.04 and 357,958.56 is: 493,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,456.64 : 814,627.04 = 357,958.56 : x
  2. Step 2: Convert to fraction form
    590,456.64/814,627.04 = 357,958.56/x
  3. Step 3: Cross multiply
    590,456.64x = 814,627.04 × 357,958.56
  4. Step 4: Simplify right side
    590,456.64x = 291,602,720,871.76
  5. Step 5: Solve for x
    x = 291,602,720,871.76/590,456.64
  6. Step 6: Final answer
    x = 493,859.67

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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.