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Finding the Fourth Proportional to 468,335.62, 646,303.13 and 253,475.68

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Solution

The fourth proportional to 468,335.62, 646,303.13 and 253,475.68 is: 349,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,335.62 : 646,303.13 = 253,475.68 : x
  2. Step 2: Convert to fraction form
    468,335.62/646,303.13 = 253,475.68/x
  3. Step 3: Cross multiply
    468,335.62x = 646,303.13 × 253,475.68
  4. Step 4: Simplify right side
    468,335.62x = 163,822,123,929.19
  5. Step 5: Solve for x
    x = 163,822,123,929.19/468,335.62
  6. Step 6: Final answer
    x = 349,796.42

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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.