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Finding the Fourth Proportional to 656,497.71, 905,408.28 and 452,873.43

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Solution

The fourth proportional to 656,497.71, 905,408.28 and 452,873.43 is: 624,580.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,497.71 : 905,408.28 = 452,873.43 : x
  2. Step 2: Convert to fraction form
    656,497.71/905,408.28 = 452,873.43/x
  3. Step 3: Cross multiply
    656,497.71x = 905,408.28 × 452,873.43
  4. Step 4: Simplify right side
    656,497.71x = 410,035,353,314.00
  5. Step 5: Solve for x
    x = 410,035,353,314.00/656,497.71
  6. Step 6: Final answer
    x = 624,580.02

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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.