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Finding the Fourth Proportional to 452,005.54, 623,753.59 and 248,051.21

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Solution

The fourth proportional to 452,005.54, 623,753.59 and 248,051.21 is: 342,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,005.54 : 623,753.59 = 248,051.21 : x
  2. Step 2: Convert to fraction form
    452,005.54/623,753.59 = 248,051.21/x
  3. Step 3: Cross multiply
    452,005.54x = 623,753.59 × 248,051.21
  4. Step 4: Simplify right side
    452,005.54x = 154,722,835,036.97
  5. Step 5: Solve for x
    x = 154,722,835,036.97/452,005.54
  6. Step 6: Final answer
    x = 342,302.96

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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.