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Finding the Fourth Proportional to 452,008.53, 623,730.54 and 268,215.42

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Solution

The fourth proportional to 452,008.53, 623,730.54 and 268,215.42 is: 370,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,008.53 : 623,730.54 = 268,215.42 : x
  2. Step 2: Convert to fraction form
    452,008.53/623,730.54 = 268,215.42/x
  3. Step 3: Cross multiply
    452,008.53x = 623,730.54 × 268,215.42
  4. Step 4: Simplify right side
    452,008.53x = 167,294,148,752.93
  5. Step 5: Solve for x
    x = 167,294,148,752.93/452,008.53
  6. Step 6: Final answer
    x = 370,112.81

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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.