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Finding the Fourth Proportional to 468,456.06, 646,468.62 and 253,596.06

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Solution

The fourth proportional to 468,456.06, 646,468.62 and 253,596.06 is: 349,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,456.06 : 646,468.62 = 253,596.06 : x
  2. Step 2: Convert to fraction form
    468,456.06/646,468.62 = 253,596.06/x
  3. Step 3: Cross multiply
    468,456.06x = 646,468.62 × 253,596.06
  4. Step 4: Simplify right side
    468,456.06x = 163,941,894,945.64
  5. Step 5: Solve for x
    x = 163,941,894,945.64/468,456.06
  6. Step 6: Final answer
    x = 349,962.16

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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.