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Finding the Fourth Proportional to 452,005.79, 623,753.94 and 248,051.47

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Solution

The fourth proportional to 452,005.79, 623,753.94 and 248,051.47 is: 342,303.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,005.79 : 623,753.94 = 248,051.47 : x
  2. Step 2: Convert to fraction form
    452,005.79/623,753.94 = 248,051.47/x
  3. Step 3: Cross multiply
    452,005.79x = 623,753.94 × 248,051.47
  4. Step 4: Simplify right side
    452,005.79x = 154,723,077,376.27
  5. Step 5: Solve for x
    x = 154,723,077,376.27/452,005.79
  6. Step 6: Final answer
    x = 342,303.31

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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.