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Finding the Fourth Proportional to 633,187.17, 873,789.59 and 346,707.27

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Solution

The fourth proportional to 633,187.17, 873,789.59 and 346,707.27 is: 478,451.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,187.17 : 873,789.59 = 346,707.27 : x
  2. Step 2: Convert to fraction form
    633,187.17/873,789.59 = 346,707.27/x
  3. Step 3: Cross multiply
    633,187.17x = 873,789.59 × 346,707.27
  4. Step 4: Simplify right side
    633,187.17x = 302,949,201,569.78
  5. Step 5: Solve for x
    x = 302,949,201,569.78/633,187.17
  6. Step 6: Final answer
    x = 478,451.26

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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.