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Finding the Fourth Proportional to 328,061.12, 452,797.92 and 214,818.08

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Solution

The fourth proportional to 328,061.12, 452,797.92 and 214,818.08 is: 296,497.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,061.12 : 452,797.92 = 214,818.08 : x
  2. Step 2: Convert to fraction form
    328,061.12/452,797.92 = 214,818.08/x
  3. Step 3: Cross multiply
    328,061.12x = 452,797.92 × 214,818.08
  4. Step 4: Simplify right side
    328,061.12x = 97,269,179,802.39
  5. Step 5: Solve for x
    x = 97,269,179,802.39/328,061.12
  6. Step 6: Final answer
    x = 296,497.13

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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.