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Finding the Fourth Proportional to 452,753.50, 624,802.26 and 251,549.50

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Solution

The fourth proportional to 452,753.50, 624,802.26 and 251,549.50 is: 347,139.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,753.50 : 624,802.26 = 251,549.50 : x
  2. Step 2: Convert to fraction form
    452,753.50/624,802.26 = 251,549.50/x
  3. Step 3: Cross multiply
    452,753.50x = 624,802.26 × 251,549.50
  4. Step 4: Simplify right side
    452,753.50x = 157,168,696,101.87
  5. Step 5: Solve for x
    x = 157,168,696,101.87/452,753.50
  6. Step 6: Final answer
    x = 347,139.66

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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.