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Finding the Fourth Proportional to 554,409.28, 831,626.88 and 180,461.44

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Solution

The fourth proportional to 554,409.28, 831,626.88 and 180,461.44 is: 270,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,409.28 : 831,626.88 = 180,461.44 : x
  2. Step 2: Convert to fraction form
    554,409.28/831,626.88 = 180,461.44/x
  3. Step 3: Cross multiply
    554,409.28x = 831,626.88 × 180,461.44
  4. Step 4: Simplify right side
    554,409.28x = 150,076,584,307.51
  5. Step 5: Solve for x
    x = 150,076,584,307.51/554,409.28
  6. Step 6: Final answer
    x = 270,696.38

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1.5x scale

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.