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Finding the Fourth Proportional to 588,568.50, 812,168.37 and 330,386.34

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Solution

The fourth proportional to 588,568.50, 812,168.37 and 330,386.34 is: 455,901.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,568.50 : 812,168.37 = 330,386.34 : x
  2. Step 2: Convert to fraction form
    588,568.50/812,168.37 = 330,386.34/x
  3. Step 3: Cross multiply
    588,568.50x = 812,168.37 × 330,386.34
  4. Step 4: Simplify right side
    588,568.50x = 268,329,335,228.07
  5. Step 5: Solve for x
    x = 268,329,335,228.07/588,568.50
  6. Step 6: Final answer
    x = 455,901.62

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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.