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Finding the Fourth Proportional to 468,226.54, 646,151.61 and 253,366.53

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Solution

The fourth proportional to 468,226.54, 646,151.61 and 253,366.53 is: 349,645.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,226.54 : 646,151.61 = 253,366.53 : x
  2. Step 2: Convert to fraction form
    468,226.54/646,151.61 = 253,366.53/x
  3. Step 3: Cross multiply
    468,226.54x = 646,151.61 × 253,366.53
  4. Step 4: Simplify right side
    468,226.54x = 163,713,191,279.61
  5. Step 5: Solve for x
    x = 163,713,191,279.61/468,226.54
  6. Step 6: Final answer
    x = 349,645.26

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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.