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Finding the Fourth Proportional to 369,287.10, 553,930.65 and 366,954.30

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Solution

The fourth proportional to 369,287.10, 553,930.65 and 366,954.30 is: 550,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,287.10 : 553,930.65 = 366,954.30 : x
  2. Step 2: Convert to fraction form
    369,287.10/553,930.65 = 366,954.30/x
  3. Step 3: Cross multiply
    369,287.10x = 553,930.65 × 366,954.30
  4. Step 4: Simplify right side
    369,287.10x = 203,267,233,919.30
  5. Step 5: Solve for x
    x = 203,267,233,919.30/369,287.10
  6. Step 6: Final answer
    x = 550,431.45

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Similar ratio
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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.