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Finding the Fourth Proportional to 366,417.70, 548,848.95 and 304,209.70

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Solution

The fourth proportional to 366,417.70, 548,848.95 and 304,209.70 is: 455,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,417.70 : 548,848.95 = 304,209.70 : x
  2. Step 2: Convert to fraction form
    366,417.70/548,848.95 = 304,209.70/x
  3. Step 3: Cross multiply
    366,417.70x = 548,848.95 × 304,209.70
  4. Step 4: Simplify right side
    366,417.70x = 166,965,174,424.82
  5. Step 5: Solve for x
    x = 166,965,174,424.82/366,417.70
  6. Step 6: Final answer
    x = 455,668.97

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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.