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Finding the Fourth Proportional to 484,624.56, 668,844.57 and 277,973.58

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Solution

The fourth proportional to 484,624.56, 668,844.57 and 277,973.58 is: 383,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,624.56 : 668,844.57 = 277,973.58 : x
  2. Step 2: Convert to fraction form
    484,624.56/668,844.57 = 277,973.58/x
  3. Step 3: Cross multiply
    484,624.56x = 668,844.57 × 277,973.58
  4. Step 4: Simplify right side
    484,624.56x = 185,921,123,137.03
  5. Step 5: Solve for x
    x = 185,921,123,137.03/484,624.56
  6. Step 6: Final answer
    x = 383,639.50

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1.5x scale

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.