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Finding the Fourth Proportional to 554,953.30, 832,429.95 and 495,855.70

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Solution

The fourth proportional to 554,953.30, 832,429.95 and 495,855.70 is: 743,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,953.30 : 832,429.95 = 495,855.70 : x
  2. Step 2: Convert to fraction form
    554,953.30/832,429.95 = 495,855.70/x
  3. Step 3: Cross multiply
    554,953.30x = 832,429.95 × 495,855.70
  4. Step 4: Simplify right side
    554,953.30x = 412,765,135,558.22
  5. Step 5: Solve for x
    x = 412,765,135,558.22/554,953.30
  6. Step 6: Final answer
    x = 743,783.55

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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.