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Finding the Fourth Proportional to 633,077.52, 873,613.80 and 346,542.72

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Solution

The fourth proportional to 633,077.52, 873,613.80 and 346,542.72 is: 478,210.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,077.52 : 873,613.80 = 346,542.72 : x
  2. Step 2: Convert to fraction form
    633,077.52/873,613.80 = 346,542.72/x
  3. Step 3: Cross multiply
    633,077.52x = 873,613.80 × 346,542.72
  4. Step 4: Simplify right side
    633,077.52x = 302,744,502,481.54
  5. Step 5: Solve for x
    x = 302,744,502,481.54/633,077.52
  6. Step 6: Final answer
    x = 478,210.79

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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.