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Finding the Fourth Proportional to 423,386.43, 584,007.50 and 251,182.47

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Solution

The fourth proportional to 423,386.43, 584,007.50 and 251,182.47 is: 346,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,386.43 : 584,007.50 = 251,182.47 : x
  2. Step 2: Convert to fraction form
    423,386.43/584,007.50 = 251,182.47/x
  3. Step 3: Cross multiply
    423,386.43x = 584,007.50 × 251,182.47
  4. Step 4: Simplify right side
    423,386.43x = 146,692,447,180.59
  5. Step 5: Solve for x
    x = 146,692,447,180.59/423,386.43
  6. Step 6: Final answer
    x = 346,474.14

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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.