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Finding the Fourth Proportional to 633,022.95, 873,571.69 and 346,543.03

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Solution

The fourth proportional to 633,022.95, 873,571.69 and 346,543.03 is: 478,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,022.95 : 873,571.69 = 346,543.03 : x
  2. Step 2: Convert to fraction form
    633,022.95/873,571.69 = 346,543.03/x
  3. Step 3: Cross multiply
    633,022.95x = 873,571.69 × 346,543.03
  4. Step 4: Simplify right side
    633,022.95x = 302,730,175,036.82
  5. Step 5: Solve for x
    x = 302,730,175,036.82/633,022.95
  6. Step 6: Final answer
    x = 478,229.38

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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.