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Finding the Fourth Proportional to 395,696.10, 546,248.91 and 265,098.63

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Solution

The fourth proportional to 395,696.10, 546,248.91 and 265,098.63 is: 365,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,696.10 : 546,248.91 = 265,098.63 : x
  2. Step 2: Convert to fraction form
    395,696.10/546,248.91 = 265,098.63/x
  3. Step 3: Cross multiply
    395,696.10x = 546,248.91 × 265,098.63
  4. Step 4: Simplify right side
    395,696.10x = 144,809,837,679.99
  5. Step 5: Solve for x
    x = 144,809,837,679.99/395,696.10
  6. Step 6: Final answer
    x = 365,962.26

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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.