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Finding the Fourth Proportional to 632,543.88, 872,824.47 and 377,841

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Solution

The fourth proportional to 632,543.88, 872,824.47 and 377,841 is: 521,369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,543.88 : 872,824.47 = 377,841 : x
  2. Step 2: Convert to fraction form
    632,543.88/872,824.47 = 377,841/x
  3. Step 3: Cross multiply
    632,543.88x = 872,824.47 × 377,841
  4. Step 4: Simplify right side
    632,543.88x = 329,788,870,569.27
  5. Step 5: Solve for x
    x = 329,788,870,569.27/632,543.88
  6. Step 6: Final answer
    x = 521,369.16

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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.