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Finding the Fourth Proportional to 553,818.28, 832,228.24 and 301,285.36

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Solution

The fourth proportional to 553,818.28, 832,228.24 and 301,285.36 is: 452,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,818.28 : 832,228.24 = 301,285.36 : x
  2. Step 2: Convert to fraction form
    553,818.28/832,228.24 = 301,285.36/x
  3. Step 3: Cross multiply
    553,818.28x = 832,228.24 × 301,285.36
  4. Step 4: Simplify right side
    553,818.28x = 250,738,184,890.57
  5. Step 5: Solve for x
    x = 250,738,184,890.57/553,818.28
  6. Step 6: Final answer
    x = 452,744.51

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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.