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Finding the Fourth Proportional to 452,640.60, 624,384.18 and 282,579.48

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Solution

The fourth proportional to 452,640.60, 624,384.18 and 282,579.48 is: 389,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,640.60 : 624,384.18 = 282,579.48 : x
  2. Step 2: Convert to fraction form
    452,640.60/624,384.18 = 282,579.48/x
  3. Step 3: Cross multiply
    452,640.60x = 624,384.18 × 282,579.48
  4. Step 4: Simplify right side
    452,640.60x = 176,438,156,904.63
  5. Step 5: Solve for x
    x = 176,438,156,904.63/452,640.60
  6. Step 6: Final answer
    x = 389,797.46

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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.