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Finding the Fourth Proportional to 624,606.64, 935,491.02 and 488,824.72

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Solution

The fourth proportional to 624,606.64, 935,491.02 and 488,824.72 is: 732,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,606.64 : 935,491.02 = 488,824.72 : x
  2. Step 2: Convert to fraction form
    624,606.64/935,491.02 = 488,824.72/x
  3. Step 3: Cross multiply
    624,606.64x = 935,491.02 × 488,824.72
  4. Step 4: Simplify right side
    624,606.64x = 457,291,135,914.01
  5. Step 5: Solve for x
    x = 457,291,135,914.01/624,606.64
  6. Step 6: Final answer
    x = 732,126.60

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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.