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Finding the Fourth Proportional to 499,293.36, 748,627.94 and 210,956.76

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Solution

The fourth proportional to 499,293.36, 748,627.94 and 210,956.76 is: 316,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,293.36 : 748,627.94 = 210,956.76 : x
  2. Step 2: Convert to fraction form
    499,293.36/748,627.94 = 210,956.76/x
  3. Step 3: Cross multiply
    499,293.36x = 748,627.94 × 210,956.76
  4. Step 4: Simplify right side
    499,293.36x = 157,928,124,667.87
  5. Step 5: Solve for x
    x = 157,928,124,667.87/499,293.36
  6. Step 6: Final answer
    x = 316,303.27

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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.