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Finding the Fourth Proportional to 633,081.21, 873,654.63 and 346,627.95

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Solution

The fourth proportional to 633,081.21, 873,654.63 and 346,627.95 is: 478,347.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,081.21 : 873,654.63 = 346,627.95 : x
  2. Step 2: Convert to fraction form
    633,081.21/873,654.63 = 346,627.95/x
  3. Step 3: Cross multiply
    633,081.21x = 873,654.63 × 346,627.95
  4. Step 4: Simplify right side
    633,081.21x = 302,833,113,404.91
  5. Step 5: Solve for x
    x = 302,833,113,404.91/633,081.21
  6. Step 6: Final answer
    x = 478,347.97

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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.