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Finding the Fourth Proportional to 553,304.94, 763,913.94 and 451,573.44

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Solution

The fourth proportional to 553,304.94, 763,913.94 and 451,573.44 is: 623,459.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,304.94 : 763,913.94 = 451,573.44 : x
  2. Step 2: Convert to fraction form
    553,304.94/763,913.94 = 451,573.44/x
  3. Step 3: Cross multiply
    553,304.94x = 763,913.94 × 451,573.44
  4. Step 4: Simplify right side
    553,304.94x = 344,963,245,749.75
  5. Step 5: Solve for x
    x = 344,963,245,749.75/553,304.94
  6. Step 6: Final answer
    x = 623,459.54

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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.