Home / 482,869.18-666,328.17-268,009.30

Finding the Fourth Proportional to 482,869.18, 666,328.17 and 268,009.30

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Solution

The fourth proportional to 482,869.18, 666,328.17 and 268,009.30 is: 369,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,869.18 : 666,328.17 = 268,009.30 : x
  2. Step 2: Convert to fraction form
    482,869.18/666,328.17 = 268,009.30/x
  3. Step 3: Cross multiply
    482,869.18x = 666,328.17 × 268,009.30
  4. Step 4: Simplify right side
    482,869.18x = 178,582,146,411.98
  5. Step 5: Solve for x
    x = 178,582,146,411.98/482,869.18
  6. Step 6: Final answer
    x = 369,835.46

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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.