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Finding the Fourth Proportional to 369,261.10, 553,891.65 and 366,928.30

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Solution

The fourth proportional to 369,261.10, 553,891.65 and 366,928.30 is: 550,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,261.10 : 553,891.65 = 366,928.30 : x
  2. Step 2: Convert to fraction form
    369,261.10/553,891.65 = 366,928.30/x
  3. Step 3: Cross multiply
    369,261.10x = 553,891.65 × 366,928.30
  4. Step 4: Simplify right side
    369,261.10x = 203,238,521,518.70
  5. Step 5: Solve for x
    x = 203,238,521,518.70/369,261.10
  6. Step 6: Final answer
    x = 550,392.45

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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.