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Finding the Fourth Proportional to 468,264.53, 646,206.68 and 253,404.54

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Solution

The fourth proportional to 468,264.53, 646,206.68 and 253,404.54 is: 349,699.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,264.53 : 646,206.68 = 253,404.54 : x
  2. Step 2: Convert to fraction form
    468,264.53/646,206.68 = 253,404.54/x
  3. Step 3: Cross multiply
    468,264.53x = 646,206.68 × 253,404.54
  4. Step 4: Simplify right side
    468,264.53x = 163,751,707,123.84
  5. Step 5: Solve for x
    x = 163,751,707,123.84/468,264.53
  6. Step 6: Final answer
    x = 349,699.15

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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.