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Finding the Fourth Proportional to 468,477.83, 646,498.68 and 253,617.84

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Solution

The fourth proportional to 468,477.83, 646,498.68 and 253,617.84 is: 349,992.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,477.83 : 646,498.68 = 253,617.84 : x
  2. Step 2: Convert to fraction form
    468,477.83/646,498.68 = 253,617.84/x
  3. Step 3: Cross multiply
    468,477.83x = 646,498.68 × 253,617.84
  4. Step 4: Simplify right side
    468,477.83x = 163,963,598,784.45
  5. Step 5: Solve for x
    x = 163,963,598,784.45/468,477.83
  6. Step 6: Final answer
    x = 349,992.23

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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.