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Finding the Fourth Proportional to 423,498.26, 584,171.03 and 251,303.00

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Solution

The fourth proportional to 423,498.26, 584,171.03 and 251,303.00 is: 346,645.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,498.26 : 584,171.03 = 251,303.00 : x
  2. Step 2: Convert to fraction form
    423,498.26/584,171.03 = 251,303.00/x
  3. Step 3: Cross multiply
    423,498.26x = 584,171.03 × 251,303.00
  4. Step 4: Simplify right side
    423,498.26x = 146,803,928,174.72
  5. Step 5: Solve for x
    x = 146,803,928,174.72/423,498.26
  6. Step 6: Final answer
    x = 346,645.89

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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.